68559920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{461}}^1$

素因数の和:511

約数の個数: 120

約数和(自身を含む): 188706672

約数和(自身を除く): 120146752

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 169, 176, 208, 220, 260, 286, 338, 440, 461, 520, 572, 676, 715, 845, 880, 922, 1040, 1144, 1352, 1430, 1690, 1844, 1859, 2288, 2305, 2704, 2860, 3380, 3688, 3718, 4610, 5071, 5720, 5993, 6760, 7376, 7436, 9220, 9295, 10142, 11440, 11986, 13520, 14872, 18440, 18590, 20284, 23972, 25355, 29744, 29965, 36880, 37180, 40568, 47944, 50710, 59930, 65923, 74360, 77909, 81136, 95888, 101420, 119860, 131846, 148720, 155818, 202840, 239720, 263692, 311636, 329615, 389545, 405680, 479440, 527384, 623272, 659230, 779090, 856999, 1054768, 1246544, 1318460, 1558180, 1713998, 2636920, 3116360, 3427996, 4284995, 5273840, 6232720, 6855992, 8569990, 13711984, 17139980, 34279960, 68559920]

約数ペア:

[(1, 68559920), (2, 34279960), (4, 17139980), (5, 13711984), (8, 8569990), (10, 6855992), (11, 6232720), (13, 5273840), (16, 4284995), (20, 3427996), (22, 3116360), (26, 2636920), (40, 1713998), (44, 1558180), (52, 1318460), (55, 1246544), (65, 1054768), (80, 856999), (88, 779090), (104, 659230), (110, 623272), (130, 527384), (143, 479440), (169, 405680), (176, 389545), (208, 329615), (220, 311636), (260, 263692), (286, 239720), (338, 202840), (440, 155818), (461, 148720), (520, 131846), (572, 119860), (676, 101420), (715, 95888), (845, 81136), (880, 77909), (922, 74360), (1040, 65923), (1144, 59930), (1352, 50710), (1430, 47944), (1690, 40568), (1844, 37180), (1859, 36880), (2288, 29965), (2305, 29744), (2704, 25355), (2860, 23972), (3380, 20284), (3688, 18590), (3718, 18440), (4610, 14872), (5071, 13520), (5720, 11986), (5993, 11440), (6760, 10142), (7376, 9295), (7436, 9220)]