77206480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1217}}^1$

素因数の和:1304

約数の個数: 80

約数和(自身を含む): 196643664

約数和(自身を除く): 119437184

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 61, 65, 80, 104, 122, 130, 208, 244, 260, 305, 488, 520, 610, 793, 976, 1040, 1217, 1220, 1586, 2434, 2440, 3172, 3965, 4868, 4880, 6085, 6344, 7930, 9736, 12170, 12688, 15821, 15860, 19472, 24340, 31642, 31720, 48680, 63284, 63440, 74237, 79105, 97360, 126568, 148474, 158210, 253136, 296948, 316420, 371185, 593896, 632840, 742370, 965081, 1187792, 1265680, 1484740, 1930162, 2969480, 3860324, 4825405, 5938960, 7720648, 9650810, 15441296, 19301620, 38603240, 77206480]

約数ペア:

[(1, 77206480), (2, 38603240), (4, 19301620), (5, 15441296), (8, 9650810), (10, 7720648), (13, 5938960), (16, 4825405), (20, 3860324), (26, 2969480), (40, 1930162), (52, 1484740), (61, 1265680), (65, 1187792), (80, 965081), (104, 742370), (122, 632840), (130, 593896), (208, 371185), (244, 316420), (260, 296948), (305, 253136), (488, 158210), (520, 148474), (610, 126568), (793, 97360), (976, 79105), (1040, 74237), (1217, 63440), (1220, 63284), (1586, 48680), (2434, 31720), (2440, 31642), (3172, 24340), (3965, 19472), (4868, 15860), (4880, 15821), (6085, 12688), (6344, 12170), (7930, 9736)]