71678360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{449}}^1$

素因数の和:780

約数の個数: 64

約数和(自身を含む): 174636000

約数和(自身を除く): 102957640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 307, 449, 520, 614, 898, 1228, 1535, 1796, 2245, 2456, 3070, 3592, 3991, 4490, 5837, 6140, 7982, 8980, 11674, 12280, 15964, 17960, 19955, 23348, 29185, 31928, 39910, 46696, 58370, 79820, 116740, 137843, 159640, 233480, 275686, 551372, 689215, 1102744, 1378430, 1791959, 2756860, 3583918, 5513720, 7167836, 8959795, 14335672, 17919590, 35839180, 71678360]

約数ペア:

[(1, 71678360), (2, 35839180), (4, 17919590), (5, 14335672), (8, 8959795), (10, 7167836), (13, 5513720), (20, 3583918), (26, 2756860), (40, 1791959), (52, 1378430), (65, 1102744), (104, 689215), (130, 551372), (260, 275686), (307, 233480), (449, 159640), (520, 137843), (614, 116740), (898, 79820), (1228, 58370), (1535, 46696), (1796, 39910), (2245, 31928), (2456, 29185), (3070, 23348), (3592, 19955), (3991, 17960), (4490, 15964), (5837, 12280), (6140, 11674), (7982, 8980)]