155408240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:211

約数の個数: 160

約数和(自身を含む): 416223360

約数和(自身を除く): 260815120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 73, 80, 89, 92, 104, 115, 130, 146, 178, 184, 208, 230, 260, 292, 299, 356, 365, 368, 445, 460, 520, 584, 598, 712, 730, 890, 920, 949, 1040, 1157, 1168, 1196, 1424, 1460, 1495, 1679, 1780, 1840, 1898, 2047, 2314, 2392, 2920, 2990, 3358, 3560, 3796, 4094, 4628, 4745, 4784, 5785, 5840, 5980, 6497, 6716, 7120, 7592, 8188, 8395, 9256, 9490, 10235, 11570, 11960, 12994, 13432, 15184, 16376, 16790, 18512, 18980, 20470, 21827, 23140, 23920, 25988, 26611, 26864, 32485, 32752, 33580, 37960, 40940, 43654, 46280, 51976, 53222, 64970, 67160, 75920, 81880, 84461, 87308, 92560, 103952, 106444, 109135, 129940, 133055, 134320, 149431, 163760, 168922, 174616, 212888, 218270, 259880, 266110, 298862, 337844, 349232, 422305, 425776, 436540, 519760, 532220, 597724, 675688, 747155, 844610, 873080, 1064440, 1195448, 1351376, 1494310, 1689220, 1746160, 1942603, 2128880, 2390896, 2988620, 3378440, 3885206, 5977240, 6756880, 7770412, 9713015, 11954480, 15540824, 19426030, 31081648, 38852060, 77704120, 155408240]

約数ペア:

[(1, 155408240), (2, 77704120), (4, 38852060), (5, 31081648), (8, 19426030), (10, 15540824), (13, 11954480), (16, 9713015), (20, 7770412), (23, 6756880), (26, 5977240), (40, 3885206), (46, 3378440), (52, 2988620), (65, 2390896), (73, 2128880), (80, 1942603), (89, 1746160), (92, 1689220), (104, 1494310), (115, 1351376), (130, 1195448), (146, 1064440), (178, 873080), (184, 844610), (208, 747155), (230, 675688), (260, 597724), (292, 532220), (299, 519760), (356, 436540), (365, 425776), (368, 422305), (445, 349232), (460, 337844), (520, 298862), (584, 266110), (598, 259880), (712, 218270), (730, 212888), (890, 174616), (920, 168922), (949, 163760), (1040, 149431), (1157, 134320), (1168, 133055), (1196, 129940), (1424, 109135), (1460, 106444), (1495, 103952), (1679, 92560), (1780, 87308), (1840, 84461), (1898, 81880), (2047, 75920), (2314, 67160), (2392, 64970), (2920, 53222), (2990, 51976), (3358, 46280), (3560, 43654), (3796, 40940), (4094, 37960), (4628, 33580), (4745, 32752), (4784, 32485), (5785, 26864), (5840, 26611), (5980, 25988), (6497, 23920), (6716, 23140), (7120, 21827), (7592, 20470), (8188, 18980), (8395, 18512), (9256, 16790), (9490, 16376), (10235, 15184), (11570, 13432), (11960, 12994)]