258815280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{809}}^1$

素因数の和:899

約数の個数: 160

約数和(自身を含む): 848517120

約数和(自身を除く): 589701840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 43, 48, 60, 62, 80, 86, 93, 120, 124, 129, 155, 172, 186, 215, 240, 248, 258, 310, 344, 372, 430, 465, 496, 516, 620, 645, 688, 744, 809, 860, 930, 1032, 1240, 1290, 1333, 1488, 1618, 1720, 1860, 2064, 2427, 2480, 2580, 2666, 3236, 3440, 3720, 3999, 4045, 4854, 5160, 5332, 6472, 6665, 7440, 7998, 8090, 9708, 10320, 10664, 12135, 12944, 13330, 15996, 16180, 19416, 19995, 21328, 24270, 25079, 26660, 31992, 32360, 34787, 38832, 39990, 48540, 50158, 53320, 63984, 64720, 69574, 75237, 79980, 97080, 100316, 104361, 106640, 125395, 139148, 150474, 159960, 173935, 194160, 200632, 208722, 250790, 278296, 300948, 319920, 347870, 376185, 401264, 417444, 501580, 521805, 556592, 601896, 695740, 752370, 834888, 1003160, 1043610, 1078397, 1203792, 1391480, 1504740, 1669776, 2006320, 2087220, 2156794, 2782960, 3009480, 3235191, 4174440, 4313588, 5391985, 6018960, 6470382, 8348880, 8627176, 10783970, 12940764, 16175955, 17254352, 21567940, 25881528, 32351910, 43135880, 51763056, 64703820, 86271760, 129407640, 258815280]

約数ペア:

[(1, 258815280), (2, 129407640), (3, 86271760), (4, 64703820), (5, 51763056), (6, 43135880), (8, 32351910), (10, 25881528), (12, 21567940), (15, 17254352), (16, 16175955), (20, 12940764), (24, 10783970), (30, 8627176), (31, 8348880), (40, 6470382), (43, 6018960), (48, 5391985), (60, 4313588), (62, 4174440), (80, 3235191), (86, 3009480), (93, 2782960), (120, 2156794), (124, 2087220), (129, 2006320), (155, 1669776), (172, 1504740), (186, 1391480), (215, 1203792), (240, 1078397), (248, 1043610), (258, 1003160), (310, 834888), (344, 752370), (372, 695740), (430, 601896), (465, 556592), (496, 521805), (516, 501580), (620, 417444), (645, 401264), (688, 376185), (744, 347870), (809, 319920), (860, 300948), (930, 278296), (1032, 250790), (1240, 208722), (1290, 200632), (1333, 194160), (1488, 173935), (1618, 159960), (1720, 150474), (1860, 139148), (2064, 125395), (2427, 106640), (2480, 104361), (2580, 100316), (2666, 97080), (3236, 79980), (3440, 75237), (3720, 69574), (3999, 64720), (4045, 63984), (4854, 53320), (5160, 50158), (5332, 48540), (6472, 39990), (6665, 38832), (7440, 34787), (7998, 32360), (8090, 31992), (9708, 26660), (10320, 25079), (10664, 24270), (12135, 21328), (12944, 19995), (13330, 19416), (15996, 16180)]