61655720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{379}}^1$

素因数の和:487

約数の個数: 96

約数和(自身を含む): 163749600

約数和(自身を除く): 102093880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 83, 98, 140, 166, 196, 245, 280, 332, 379, 392, 415, 490, 581, 664, 758, 830, 980, 1162, 1516, 1660, 1895, 1960, 2324, 2653, 2905, 3032, 3320, 3790, 4067, 4648, 5306, 5810, 7580, 8134, 10612, 11620, 13265, 15160, 16268, 18571, 20335, 21224, 23240, 26530, 31457, 32536, 37142, 40670, 53060, 62914, 74284, 81340, 92855, 106120, 125828, 148568, 157285, 162680, 185710, 220199, 251656, 314570, 371420, 440398, 629140, 742840, 880796, 1100995, 1258280, 1541393, 1761592, 2201990, 3082786, 4403980, 6165572, 7706965, 8807960, 12331144, 15413930, 30827860, 61655720]

約数ペア:

[(1, 61655720), (2, 30827860), (4, 15413930), (5, 12331144), (7, 8807960), (8, 7706965), (10, 6165572), (14, 4403980), (20, 3082786), (28, 2201990), (35, 1761592), (40, 1541393), (49, 1258280), (56, 1100995), (70, 880796), (83, 742840), (98, 629140), (140, 440398), (166, 371420), (196, 314570), (245, 251656), (280, 220199), (332, 185710), (379, 162680), (392, 157285), (415, 148568), (490, 125828), (581, 106120), (664, 92855), (758, 81340), (830, 74284), (980, 62914), (1162, 53060), (1516, 40670), (1660, 37142), (1895, 32536), (1960, 31457), (2324, 26530), (2653, 23240), (2905, 21224), (3032, 20335), (3320, 18571), (3790, 16268), (4067, 15160), (4648, 13265), (5306, 11620), (5810, 10612), (7580, 8134)]