87007960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:309

約数の個数: 96

約数和(自身を含む): 216481680

約数和(自身を除く): 129473720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 169, 211, 244, 260, 305, 338, 422, 488, 520, 610, 676, 793, 844, 845, 1055, 1220, 1352, 1586, 1688, 1690, 2110, 2440, 2743, 3172, 3380, 3965, 4220, 5486, 6344, 6760, 7930, 8440, 10309, 10972, 12871, 13715, 15860, 20618, 21944, 25742, 27430, 31720, 35659, 41236, 51484, 51545, 54860, 64355, 71318, 82472, 102968, 103090, 109720, 128710, 142636, 167323, 178295, 206180, 257420, 285272, 334646, 356590, 412360, 514840, 669292, 713180, 836615, 1338584, 1426360, 1673230, 2175199, 3346460, 4350398, 6692920, 8700796, 10875995, 17401592, 21751990, 43503980, 87007960]

約数ペア:

[(1, 87007960), (2, 43503980), (4, 21751990), (5, 17401592), (8, 10875995), (10, 8700796), (13, 6692920), (20, 4350398), (26, 3346460), (40, 2175199), (52, 1673230), (61, 1426360), (65, 1338584), (104, 836615), (122, 713180), (130, 669292), (169, 514840), (211, 412360), (244, 356590), (260, 334646), (305, 285272), (338, 257420), (422, 206180), (488, 178295), (520, 167323), (610, 142636), (676, 128710), (793, 109720), (844, 103090), (845, 102968), (1055, 82472), (1220, 71318), (1352, 64355), (1586, 54860), (1688, 51545), (1690, 51484), (2110, 41236), (2440, 35659), (2743, 31720), (3172, 27430), (3380, 25742), (3965, 21944), (4220, 20618), (5486, 15860), (6344, 13715), (6760, 12871), (7930, 10972), (8440, 10309)]