209842920

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{677}}^1$

素因数の和:745

約数の個数: 256

約数和(自身を含む): 820108800

約数和(自身を除く): 610265880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 41, 42, 45, 54, 56, 60, 63, 70, 72, 82, 84, 90, 105, 108, 120, 123, 126, 135, 140, 164, 168, 180, 189, 205, 210, 216, 246, 252, 270, 280, 287, 315, 328, 360, 369, 378, 410, 420, 492, 504, 540, 574, 615, 630, 677, 738, 756, 820, 840, 861, 945, 984, 1080, 1107, 1148, 1230, 1260, 1354, 1435, 1476, 1512, 1640, 1722, 1845, 1890, 2031, 2214, 2296, 2460, 2520, 2583, 2708, 2870, 2952, 3385, 3444, 3690, 3780, 4062, 4305, 4428, 4739, 4920, 5166, 5416, 5535, 5740, 6093, 6770, 6888, 7380, 7560, 7749, 8124, 8610, 8856, 9478, 10155, 10332, 11070, 11480, 12186, 12915, 13540, 14217, 14760, 15498, 16248, 17220, 18279, 18956, 20310, 20664, 22140, 23695, 24372, 25830, 27080, 27757, 28434, 30465, 30996, 34440, 36558, 37912, 38745, 40620, 42651, 44280, 47390, 48744, 51660, 55514, 56868, 60930, 61992, 71085, 73116, 77490, 81240, 83271, 85302, 91395, 94780, 103320, 111028, 113736, 121860, 127953, 138785, 142170, 146232, 154980, 166542, 170604, 182790, 189560, 194299, 213255, 222056, 243720, 249813, 255906, 277570, 284340, 309960, 333084, 341208, 365580, 388598, 416355, 426510, 499626, 511812, 555140, 568680, 582897, 639765, 666168, 731160, 749439, 777196, 832710, 853020, 971495, 999252, 1023624, 1110280, 1165794, 1249065, 1279530, 1498878, 1554392, 1665420, 1706040, 1748691, 1942990, 1998504, 2331588, 2498130, 2559060, 2914485, 2997756, 3330840, 3497382, 3747195, 3885980, 4663176, 4996260, 5118120, 5246073, 5828970, 5995512, 6994764, 7494390, 7771960, 8743455, 9992520, 10492146, 11657940, 13989528, 14988780, 17486910, 20984292, 23315880, 26230365, 29977560, 34973820, 41968584, 52460730, 69947640, 104921460, 209842920]

約数ペア:

[(1, 209842920), (2, 104921460), (3, 69947640), (4, 52460730), (5, 41968584), (6, 34973820), (7, 29977560), (8, 26230365), (9, 23315880), (10, 20984292), (12, 17486910), (14, 14988780), (15, 13989528), (18, 11657940), (20, 10492146), (21, 9992520), (24, 8743455), (27, 7771960), (28, 7494390), (30, 6994764), (35, 5995512), (36, 5828970), (40, 5246073), (41, 5118120), (42, 4996260), (45, 4663176), (54, 3885980), (56, 3747195), (60, 3497382), (63, 3330840), (70, 2997756), (72, 2914485), (82, 2559060), (84, 2498130), (90, 2331588), (105, 1998504), (108, 1942990), (120, 1748691), (123, 1706040), (126, 1665420), (135, 1554392), (140, 1498878), (164, 1279530), (168, 1249065), (180, 1165794), (189, 1110280), (205, 1023624), (210, 999252), (216, 971495), (246, 853020), (252, 832710), (270, 777196), (280, 749439), (287, 731160), (315, 666168), (328, 639765), (360, 582897), (369, 568680), (378, 555140), (410, 511812), (420, 499626), (492, 426510), (504, 416355), (540, 388598), (574, 365580), (615, 341208), (630, 333084), (677, 309960), (738, 284340), (756, 277570), (820, 255906), (840, 249813), (861, 243720), (945, 222056), (984, 213255), (1080, 194299), (1107, 189560), (1148, 182790), (1230, 170604), (1260, 166542), (1354, 154980), (1435, 146232), (1476, 142170), (1512, 138785), (1640, 127953), (1722, 121860), (1845, 113736), (1890, 111028), (2031, 103320), (2214, 94780), (2296, 91395), (2460, 85302), (2520, 83271), (2583, 81240), (2708, 77490), (2870, 73116), (2952, 71085), (3385, 61992), (3444, 60930), (3690, 56868), (3780, 55514), (4062, 51660), (4305, 48744), (4428, 47390), (4739, 44280), (4920, 42651), (5166, 40620), (5416, 38745), (5535, 37912), (5740, 36558), (6093, 34440), (6770, 30996), (6888, 30465), (7380, 28434), (7560, 27757), (7749, 27080), (8124, 25830), (8610, 24372), (8856, 23695), (9478, 22140), (10155, 20664), (10332, 20310), (11070, 18956), (11480, 18279), (12186, 17220), (12915, 16248), (13540, 15498), (14217, 14760)]