91131560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:128

約数の個数: 128

約数和(自身を含む): 239047200

約数和(自身を除く): 147915640

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 61, 65, 68, 85, 104, 122, 130, 136, 169, 170, 221, 244, 260, 305, 338, 340, 442, 488, 520, 610, 676, 680, 793, 845, 884, 1037, 1105, 1220, 1352, 1586, 1690, 1768, 2074, 2197, 2210, 2440, 2873, 3172, 3380, 3965, 4148, 4394, 4420, 5185, 5746, 6344, 6760, 7930, 8296, 8788, 8840, 10309, 10370, 10985, 11492, 13481, 14365, 15860, 17576, 20618, 20740, 21970, 22984, 26962, 28730, 31720, 37349, 41236, 41480, 43940, 51545, 53924, 57460, 67405, 74698, 82472, 87880, 103090, 107848, 114920, 134017, 134810, 149396, 175253, 186745, 206180, 268034, 269620, 298792, 350506, 373490, 412360, 536068, 539240, 670085, 701012, 746980, 876265, 1072136, 1340170, 1402024, 1493960, 1752530, 2278289, 2680340, 3505060, 4556578, 5360680, 7010120, 9113156, 11391445, 18226312, 22782890, 45565780, 91131560]

約数ペア:

[(1, 91131560), (2, 45565780), (4, 22782890), (5, 18226312), (8, 11391445), (10, 9113156), (13, 7010120), (17, 5360680), (20, 4556578), (26, 3505060), (34, 2680340), (40, 2278289), (52, 1752530), (61, 1493960), (65, 1402024), (68, 1340170), (85, 1072136), (104, 876265), (122, 746980), (130, 701012), (136, 670085), (169, 539240), (170, 536068), (221, 412360), (244, 373490), (260, 350506), (305, 298792), (338, 269620), (340, 268034), (442, 206180), (488, 186745), (520, 175253), (610, 149396), (676, 134810), (680, 134017), (793, 114920), (845, 107848), (884, 103090), (1037, 87880), (1105, 82472), (1220, 74698), (1352, 67405), (1586, 57460), (1690, 53924), (1768, 51545), (2074, 43940), (2197, 41480), (2210, 41236), (2440, 37349), (2873, 31720), (3172, 28730), (3380, 26962), (3965, 22984), (4148, 21970), (4394, 20740), (4420, 20618), (5185, 17576), (5746, 15860), (6344, 14365), (6760, 13481), (7930, 11492), (8296, 10985), (8788, 10370), (8840, 10309)]