256745700

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{29}}^1\times {\mathrm{1093}}^1$

素因数の和:1148

約数の個数: 180

約数和(自身を含む): 861754740

約数和(自身を除く): 605009040

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 29, 30, 36, 45, 50, 54, 58, 60, 75, 81, 87, 90, 100, 108, 116, 135, 145, 150, 162, 174, 180, 225, 261, 270, 290, 300, 324, 348, 405, 435, 450, 522, 540, 580, 675, 725, 783, 810, 870, 900, 1044, 1093, 1305, 1350, 1450, 1566, 1620, 1740, 2025, 2175, 2186, 2349, 2610, 2700, 2900, 3132, 3279, 3915, 4050, 4350, 4372, 4698, 5220, 5465, 6525, 6558, 7830, 8100, 8700, 9396, 9837, 10930, 11745, 13050, 13116, 15660, 16395, 19575, 19674, 21860, 23490, 26100, 27325, 29511, 31697, 32790, 39150, 39348, 46980, 49185, 54650, 58725, 59022, 63394, 65580, 78300, 81975, 88533, 95091, 98370, 109300, 117450, 118044, 126788, 147555, 158485, 163950, 177066, 190182, 196740, 234900, 245925, 285273, 295110, 316970, 327900, 354132, 380364, 442665, 475455, 491850, 570546, 590220, 633940, 737775, 792425, 855819, 885330, 950910, 983700, 1141092, 1426365, 1475550, 1584850, 1711638, 1770660, 1901820, 2213325, 2377275, 2567457, 2852730, 2951100, 3169700, 3423276, 4279095, 4426650, 4754550, 5134914, 5705460, 7131825, 8558190, 8853300, 9509100, 10269828, 12837285, 14263650, 17116380, 21395475, 25674570, 28527300, 42790950, 51349140, 64186425, 85581900, 128372850, 256745700]

約数ペア:

[(1, 256745700), (2, 128372850), (3, 85581900), (4, 64186425), (5, 51349140), (6, 42790950), (9, 28527300), (10, 25674570), (12, 21395475), (15, 17116380), (18, 14263650), (20, 12837285), (25, 10269828), (27, 9509100), (29, 8853300), (30, 8558190), (36, 7131825), (45, 5705460), (50, 5134914), (54, 4754550), (58, 4426650), (60, 4279095), (75, 3423276), (81, 3169700), (87, 2951100), (90, 2852730), (100, 2567457), (108, 2377275), (116, 2213325), (135, 1901820), (145, 1770660), (150, 1711638), (162, 1584850), (174, 1475550), (180, 1426365), (225, 1141092), (261, 983700), (270, 950910), (290, 885330), (300, 855819), (324, 792425), (348, 737775), (405, 633940), (435, 590220), (450, 570546), (522, 491850), (540, 475455), (580, 442665), (675, 380364), (725, 354132), (783, 327900), (810, 316970), (870, 295110), (900, 285273), (1044, 245925), (1093, 234900), (1305, 196740), (1350, 190182), (1450, 177066), (1566, 163950), (1620, 158485), (1740, 147555), (2025, 126788), (2175, 118044), (2186, 117450), (2349, 109300), (2610, 98370), (2700, 95091), (2900, 88533), (3132, 81975), (3279, 78300), (3915, 65580), (4050, 63394), (4350, 59022), (4372, 58725), (4698, 54650), (5220, 49185), (5465, 46980), (6525, 39348), (6558, 39150), (7830, 32790), (8100, 31697), (8700, 29511), (9396, 27325), (9837, 26100), (10930, 23490), (11745, 21860), (13050, 19674), (13116, 19575), (15660, 16395)]