191321520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:184

約数の個数: 240

約数和(自身を含む): 661698720

約数和(自身を除く): 470377200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 53, 60, 65, 78, 80, 89, 104, 106, 120, 130, 156, 159, 169, 178, 195, 208, 212, 240, 260, 265, 267, 312, 318, 338, 356, 390, 424, 445, 507, 520, 530, 534, 624, 636, 676, 689, 712, 780, 795, 845, 848, 890, 1014, 1040, 1060, 1068, 1157, 1272, 1335, 1352, 1378, 1424, 1560, 1590, 1690, 1780, 2028, 2067, 2120, 2136, 2314, 2535, 2544, 2670, 2704, 2756, 3120, 3180, 3380, 3445, 3471, 3560, 4056, 4134, 4240, 4272, 4628, 4717, 5070, 5340, 5512, 5785, 6360, 6760, 6890, 6942, 7120, 8112, 8268, 8957, 9256, 9434, 10140, 10335, 10680, 11024, 11570, 12720, 13520, 13780, 13884, 14151, 15041, 16536, 17355, 17914, 18512, 18868, 20280, 20670, 21360, 23140, 23585, 26871, 27560, 27768, 28302, 30082, 33072, 34710, 35828, 37736, 40560, 41340, 44785, 45123, 46280, 47170, 53742, 55120, 55536, 56604, 60164, 61321, 69420, 70755, 71656, 75205, 75472, 82680, 89570, 90246, 92560, 94340, 107484, 113208, 120328, 122642, 134355, 138840, 141510, 143312, 150410, 165360, 179140, 180492, 183963, 188680, 214968, 225615, 226416, 240656, 245284, 268710, 277680, 283020, 300820, 306605, 358280, 360984, 367926, 377360, 429936, 451230, 490568, 537420, 566040, 601640, 613210, 716560, 721968, 735852, 797173, 902460, 919815, 981136, 1074840, 1132080, 1203280, 1226420, 1471704, 1594346, 1804920, 1839630, 2149680, 2391519, 2452840, 2943408, 3188692, 3609840, 3679260, 3985865, 4783038, 4905680, 6377384, 7358520, 7971730, 9566076, 11957595, 12754768, 14717040, 15943460, 19132152, 23915190, 31886920, 38264304, 47830380, 63773840, 95660760, 191321520]

約数ペア:

[(1, 191321520), (2, 95660760), (3, 63773840), (4, 47830380), (5, 38264304), (6, 31886920), (8, 23915190), (10, 19132152), (12, 15943460), (13, 14717040), (15, 12754768), (16, 11957595), (20, 9566076), (24, 7971730), (26, 7358520), (30, 6377384), (39, 4905680), (40, 4783038), (48, 3985865), (52, 3679260), (53, 3609840), (60, 3188692), (65, 2943408), (78, 2452840), (80, 2391519), (89, 2149680), (104, 1839630), (106, 1804920), (120, 1594346), (130, 1471704), (156, 1226420), (159, 1203280), (169, 1132080), (178, 1074840), (195, 981136), (208, 919815), (212, 902460), (240, 797173), (260, 735852), (265, 721968), (267, 716560), (312, 613210), (318, 601640), (338, 566040), (356, 537420), (390, 490568), (424, 451230), (445, 429936), (507, 377360), (520, 367926), (530, 360984), (534, 358280), (624, 306605), (636, 300820), (676, 283020), (689, 277680), (712, 268710), (780, 245284), (795, 240656), (845, 226416), (848, 225615), (890, 214968), (1014, 188680), (1040, 183963), (1060, 180492), (1068, 179140), (1157, 165360), (1272, 150410), (1335, 143312), (1352, 141510), (1378, 138840), (1424, 134355), (1560, 122642), (1590, 120328), (1690, 113208), (1780, 107484), (2028, 94340), (2067, 92560), (2120, 90246), (2136, 89570), (2314, 82680), (2535, 75472), (2544, 75205), (2670, 71656), (2704, 70755), (2756, 69420), (3120, 61321), (3180, 60164), (3380, 56604), (3445, 55536), (3471, 55120), (3560, 53742), (4056, 47170), (4134, 46280), (4240, 45123), (4272, 44785), (4628, 41340), (4717, 40560), (5070, 37736), (5340, 35828), (5512, 34710), (5785, 33072), (6360, 30082), (6760, 28302), (6890, 27768), (6942, 27560), (7120, 26871), (8112, 23585), (8268, 23140), (8957, 21360), (9256, 20670), (9434, 20280), (10140, 18868), (10335, 18512), (10680, 17914), (11024, 17355), (11570, 16536), (12720, 15041), (13520, 14151), (13780, 13884)]