251931120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{5171}}^1$

素因数の和:5223

約数の個数: 160

約数和(自身を含む): 923512320

約数和(自身を除く): 671581200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 29, 30, 35, 40, 42, 48, 56, 58, 60, 70, 80, 84, 87, 105, 112, 116, 120, 140, 145, 168, 174, 203, 210, 232, 240, 280, 290, 336, 348, 406, 420, 435, 464, 560, 580, 609, 696, 812, 840, 870, 1015, 1160, 1218, 1392, 1624, 1680, 1740, 2030, 2320, 2436, 3045, 3248, 3480, 4060, 4872, 5171, 6090, 6960, 8120, 9744, 10342, 12180, 15513, 16240, 20684, 24360, 25855, 31026, 36197, 41368, 48720, 51710, 62052, 72394, 77565, 82736, 103420, 108591, 124104, 144788, 149959, 155130, 180985, 206840, 217182, 248208, 289576, 299918, 310260, 361970, 413680, 434364, 449877, 542955, 579152, 599836, 620520, 723940, 749795, 868728, 899754, 1049713, 1085910, 1199672, 1241040, 1447880, 1499590, 1737456, 1799508, 2099426, 2171820, 2249385, 2399344, 2895760, 2999180, 3149139, 3599016, 4198852, 4343640, 4498770, 5248565, 5998360, 6298278, 7198032, 8397704, 8687280, 8997540, 10497130, 11996720, 12596556, 15745695, 16795408, 17995080, 20994260, 25193112, 31491390, 35990160, 41988520, 50386224, 62982780, 83977040, 125965560, 251931120]

約数ペア:

[(1, 251931120), (2, 125965560), (3, 83977040), (4, 62982780), (5, 50386224), (6, 41988520), (7, 35990160), (8, 31491390), (10, 25193112), (12, 20994260), (14, 17995080), (15, 16795408), (16, 15745695), (20, 12596556), (21, 11996720), (24, 10497130), (28, 8997540), (29, 8687280), (30, 8397704), (35, 7198032), (40, 6298278), (42, 5998360), (48, 5248565), (56, 4498770), (58, 4343640), (60, 4198852), (70, 3599016), (80, 3149139), (84, 2999180), (87, 2895760), (105, 2399344), (112, 2249385), (116, 2171820), (120, 2099426), (140, 1799508), (145, 1737456), (168, 1499590), (174, 1447880), (203, 1241040), (210, 1199672), (232, 1085910), (240, 1049713), (280, 899754), (290, 868728), (336, 749795), (348, 723940), (406, 620520), (420, 599836), (435, 579152), (464, 542955), (560, 449877), (580, 434364), (609, 413680), (696, 361970), (812, 310260), (840, 299918), (870, 289576), (1015, 248208), (1160, 217182), (1218, 206840), (1392, 180985), (1624, 155130), (1680, 149959), (1740, 144788), (2030, 124104), (2320, 108591), (2436, 103420), (3045, 82736), (3248, 77565), (3480, 72394), (4060, 62052), (4872, 51710), (5171, 48720), (6090, 41368), (6960, 36197), (8120, 31026), (9744, 25855), (10342, 24360), (12180, 20684), (15513, 16240)]