1720953840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:272

約数の個数: 320

約数和(自身を含む): 5862481920

約数和(自身を除く): 4141528080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 31, 40, 46, 48, 60, 62, 69, 80, 89, 92, 93, 113, 115, 120, 124, 138, 155, 178, 184, 186, 226, 230, 240, 248, 267, 276, 310, 339, 345, 356, 368, 372, 445, 452, 460, 465, 496, 534, 552, 565, 620, 678, 690, 712, 713, 744, 890, 904, 920, 930, 1068, 1104, 1130, 1240, 1335, 1356, 1380, 1424, 1426, 1488, 1695, 1780, 1808, 1840, 1860, 2047, 2136, 2139, 2260, 2480, 2599, 2670, 2712, 2759, 2760, 2852, 3390, 3503, 3560, 3565, 3720, 4094, 4272, 4278, 4520, 5198, 5340, 5424, 5518, 5520, 5704, 6141, 6780, 7006, 7120, 7130, 7440, 7797, 8188, 8277, 8556, 9040, 10057, 10235, 10396, 10509, 10680, 10695, 11036, 11408, 12282, 12995, 13560, 13795, 14012, 14260, 15594, 16376, 16554, 17112, 17515, 20114, 20470, 20792, 21018, 21360, 21390, 22072, 24564, 25990, 27120, 27590, 28024, 28520, 30171, 30705, 31188, 32752, 33108, 34224, 35030, 38985, 40228, 40940, 41385, 41584, 42036, 42780, 44144, 49128, 50285, 51980, 52545, 55180, 56048, 57040, 60342, 61410, 62376, 63457, 66216, 70060, 77970, 80456, 80569, 81880, 82770, 84072, 85560, 98256, 100570, 103960, 105090, 110360, 120684, 122820, 124752, 126914, 132432, 140120, 150855, 155940, 160912, 161138, 163760, 165540, 168144, 171120, 190371, 201140, 207920, 210180, 220720, 231311, 241368, 241707, 245640, 253828, 280240, 301710, 311767, 311880, 317285, 322276, 331080, 380742, 402280, 402845, 420360, 462622, 482736, 483414, 491280, 507656, 603420, 623534, 623760, 634570, 644552, 662160, 693933, 761484, 804560, 805690, 840720, 925244, 935301, 951855, 966828, 1015312, 1156555, 1206840, 1208535, 1247068, 1269140, 1289104, 1387866, 1522968, 1558835, 1611380, 1850488, 1870602, 1903710, 1933656, 2313110, 2413680, 2417070, 2494136, 2538280, 2775732, 3045936, 3117670, 3222760, 3469665, 3700976, 3741204, 3807420, 3867312, 4626220, 4676505, 4834140, 4988272, 5076560, 5551464, 6235340, 6445520, 6939330, 7170641, 7482408, 7614840, 9252440, 9353010, 9668280, 11102928, 12470680, 13878660, 14341282, 14964816, 15229680, 18504880, 18706020, 19336560, 21511923, 24941360, 27757320, 28682564, 35853205, 37412040, 43023846, 55514640, 57365128, 71706410, 74824080, 86047692, 107559615, 114730256, 143412820, 172095384, 215119230, 286825640, 344190768, 430238460, 573651280, 860476920, 1720953840]

約数ペア:

[(1, 1720953840), (2, 860476920), (3, 573651280), (4, 430238460), (5, 344190768), (6, 286825640), (8, 215119230), (10, 172095384), (12, 143412820), (15, 114730256), (16, 107559615), (20, 86047692), (23, 74824080), (24, 71706410), (30, 57365128), (31, 55514640), (40, 43023846), (46, 37412040), (48, 35853205), (60, 28682564), (62, 27757320), (69, 24941360), (80, 21511923), (89, 19336560), (92, 18706020), (93, 18504880), (113, 15229680), (115, 14964816), (120, 14341282), (124, 13878660), (138, 12470680), (155, 11102928), (178, 9668280), (184, 9353010), (186, 9252440), (226, 7614840), (230, 7482408), (240, 7170641), (248, 6939330), (267, 6445520), (276, 6235340), (310, 5551464), (339, 5076560), (345, 4988272), (356, 4834140), (368, 4676505), (372, 4626220), (445, 3867312), (452, 3807420), (460, 3741204), (465, 3700976), (496, 3469665), (534, 3222760), (552, 3117670), (565, 3045936), (620, 2775732), (678, 2538280), (690, 2494136), (712, 2417070), (713, 2413680), (744, 2313110), (890, 1933656), (904, 1903710), (920, 1870602), (930, 1850488), (1068, 1611380), (1104, 1558835), (1130, 1522968), (1240, 1387866), (1335, 1289104), (1356, 1269140), (1380, 1247068), (1424, 1208535), (1426, 1206840), (1488, 1156555), (1695, 1015312), (1780, 966828), (1808, 951855), (1840, 935301), (1860, 925244), (2047, 840720), (2136, 805690), (2139, 804560), (2260, 761484), (2480, 693933), (2599, 662160), (2670, 644552), (2712, 634570), (2759, 623760), (2760, 623534), (2852, 603420), (3390, 507656), (3503, 491280), (3560, 483414), (3565, 482736), (3720, 462622), (4094, 420360), (4272, 402845), (4278, 402280), (4520, 380742), (5198, 331080), (5340, 322276), (5424, 317285), (5518, 311880), (5520, 311767), (5704, 301710), (6141, 280240), (6780, 253828), (7006, 245640), (7120, 241707), (7130, 241368), (7440, 231311), (7797, 220720), (8188, 210180), (8277, 207920), (8556, 201140), (9040, 190371), (10057, 171120), (10235, 168144), (10396, 165540), (10509, 163760), (10680, 161138), (10695, 160912), (11036, 155940), (11408, 150855), (12282, 140120), (12995, 132432), (13560, 126914), (13795, 124752), (14012, 122820), (14260, 120684), (15594, 110360), (16376, 105090), (16554, 103960), (17112, 100570), (17515, 98256), (20114, 85560), (20470, 84072), (20792, 82770), (21018, 81880), (21360, 80569), (21390, 80456), (22072, 77970), (24564, 70060), (25990, 66216), (27120, 63457), (27590, 62376), (28024, 61410), (28520, 60342), (30171, 57040), (30705, 56048), (31188, 55180), (32752, 52545), (33108, 51980), (34224, 50285), (35030, 49128), (38985, 44144), (40228, 42780), (40940, 42036), (41385, 41584)]