80783520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:199

約数の個数: 192

約数和(自身を含む): 269982720

約数和(自身を除く): 189199200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 61, 62, 80, 89, 93, 96, 120, 122, 124, 155, 160, 178, 183, 186, 240, 244, 248, 267, 305, 310, 356, 366, 372, 445, 465, 480, 488, 496, 534, 610, 620, 712, 732, 744, 890, 915, 930, 976, 992, 1068, 1220, 1240, 1335, 1424, 1464, 1488, 1780, 1830, 1860, 1891, 1952, 2136, 2440, 2480, 2670, 2759, 2848, 2928, 2976, 3560, 3660, 3720, 3782, 4272, 4880, 4960, 5340, 5429, 5518, 5673, 5856, 7120, 7320, 7440, 7564, 8277, 8544, 9455, 9760, 10680, 10858, 11036, 11346, 13795, 14240, 14640, 14880, 15128, 16287, 16554, 18910, 21360, 21716, 22072, 22692, 27145, 27590, 28365, 29280, 30256, 32574, 33108, 37820, 41385, 42720, 43432, 44144, 45384, 54290, 55180, 56730, 60512, 65148, 66216, 75640, 81435, 82770, 86864, 88288, 90768, 108580, 110360, 113460, 130296, 132432, 151280, 162870, 165540, 168299, 173728, 181536, 217160, 220720, 226920, 260592, 264864, 302560, 325740, 331080, 336598, 434320, 441440, 453840, 504897, 521184, 651480, 662160, 673196, 841495, 868640, 907680, 1009794, 1302960, 1324320, 1346392, 1682990, 2019588, 2524485, 2605920, 2692784, 3365980, 4039176, 5048970, 5385568, 6731960, 8078352, 10097940, 13463920, 16156704, 20195880, 26927840, 40391760, 80783520]

約数ペア:

[(1, 80783520), (2, 40391760), (3, 26927840), (4, 20195880), (5, 16156704), (6, 13463920), (8, 10097940), (10, 8078352), (12, 6731960), (15, 5385568), (16, 5048970), (20, 4039176), (24, 3365980), (30, 2692784), (31, 2605920), (32, 2524485), (40, 2019588), (48, 1682990), (60, 1346392), (61, 1324320), (62, 1302960), (80, 1009794), (89, 907680), (93, 868640), (96, 841495), (120, 673196), (122, 662160), (124, 651480), (155, 521184), (160, 504897), (178, 453840), (183, 441440), (186, 434320), (240, 336598), (244, 331080), (248, 325740), (267, 302560), (305, 264864), (310, 260592), (356, 226920), (366, 220720), (372, 217160), (445, 181536), (465, 173728), (480, 168299), (488, 165540), (496, 162870), (534, 151280), (610, 132432), (620, 130296), (712, 113460), (732, 110360), (744, 108580), (890, 90768), (915, 88288), (930, 86864), (976, 82770), (992, 81435), (1068, 75640), (1220, 66216), (1240, 65148), (1335, 60512), (1424, 56730), (1464, 55180), (1488, 54290), (1780, 45384), (1830, 44144), (1860, 43432), (1891, 42720), (1952, 41385), (2136, 37820), (2440, 33108), (2480, 32574), (2670, 30256), (2759, 29280), (2848, 28365), (2928, 27590), (2976, 27145), (3560, 22692), (3660, 22072), (3720, 21716), (3782, 21360), (4272, 18910), (4880, 16554), (4960, 16287), (5340, 15128), (5429, 14880), (5518, 14640), (5673, 14240), (5856, 13795), (7120, 11346), (7320, 11036), (7440, 10858), (7564, 10680), (8277, 9760), (8544, 9455)]