15501720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{523}}^1$

素因数の和:569

約数の個数: 128

約数和(自身を含む): 52819200

約数和(自身を除く): 37317480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 52, 57, 60, 65, 76, 78, 95, 104, 114, 120, 130, 152, 156, 190, 195, 228, 247, 260, 285, 312, 380, 390, 456, 494, 520, 523, 570, 741, 760, 780, 988, 1046, 1140, 1235, 1482, 1560, 1569, 1976, 2092, 2280, 2470, 2615, 2964, 3138, 3705, 4184, 4940, 5230, 5928, 6276, 6799, 7410, 7845, 9880, 9937, 10460, 12552, 13598, 14820, 15690, 19874, 20397, 20920, 27196, 29640, 29811, 31380, 33995, 39748, 40794, 49685, 54392, 59622, 62760, 67990, 79496, 81588, 99370, 101985, 119244, 129181, 135980, 149055, 163176, 198740, 203970, 238488, 258362, 271960, 298110, 387543, 397480, 407940, 516724, 596220, 645905, 775086, 815880, 1033448, 1192440, 1291810, 1550172, 1937715, 2583620, 3100344, 3875430, 5167240, 7750860, 15501720]

約数ペア:

[(1, 15501720), (2, 7750860), (3, 5167240), (4, 3875430), (5, 3100344), (6, 2583620), (8, 1937715), (10, 1550172), (12, 1291810), (13, 1192440), (15, 1033448), (19, 815880), (20, 775086), (24, 645905), (26, 596220), (30, 516724), (38, 407940), (39, 397480), (40, 387543), (52, 298110), (57, 271960), (60, 258362), (65, 238488), (76, 203970), (78, 198740), (95, 163176), (104, 149055), (114, 135980), (120, 129181), (130, 119244), (152, 101985), (156, 99370), (190, 81588), (195, 79496), (228, 67990), (247, 62760), (260, 59622), (285, 54392), (312, 49685), (380, 40794), (390, 39748), (456, 33995), (494, 31380), (520, 29811), (523, 29640), (570, 27196), (741, 20920), (760, 20397), (780, 19874), (988, 15690), (1046, 14820), (1140, 13598), (1235, 12552), (1482, 10460), (1560, 9937), (1569, 9880), (1976, 7845), (2092, 7410), (2280, 6799), (2470, 6276), (2615, 5928), (2964, 5230), (3138, 4940), (3705, 4184)]