15721082520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53891}}^1$

素因数の和:53946

約数の個数: 256

約数和(自身を含む): 58668986880

約数和(自身を除く): 42947904360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 17, 20, 22, 24, 26, 30, 33, 34, 39, 40, 44, 51, 52, 55, 60, 65, 66, 68, 78, 85, 88, 102, 104, 110, 120, 130, 132, 136, 143, 156, 165, 170, 187, 195, 204, 220, 221, 255, 260, 264, 286, 312, 330, 340, 374, 390, 408, 429, 440, 442, 510, 520, 561, 572, 660, 663, 680, 715, 748, 780, 858, 884, 935, 1020, 1105, 1122, 1144, 1320, 1326, 1430, 1496, 1560, 1716, 1768, 1870, 2040, 2145, 2210, 2244, 2431, 2652, 2805, 2860, 3315, 3432, 3740, 4290, 4420, 4488, 4862, 5304, 5610, 5720, 6630, 7293, 7480, 8580, 8840, 9724, 11220, 12155, 13260, 14586, 17160, 19448, 22440, 24310, 26520, 29172, 36465, 48620, 53891, 58344, 72930, 97240, 107782, 145860, 161673, 215564, 269455, 291720, 323346, 431128, 538910, 592801, 646692, 700583, 808365, 916147, 1077820, 1185602, 1293384, 1401166, 1616730, 1778403, 1832294, 2101749, 2155640, 2371204, 2748441, 2802332, 2964005, 3233460, 3502915, 3556806, 3664588, 4203498, 4580735, 4742408, 5496882, 5604664, 5928010, 6466920, 7005830, 7113612, 7329176, 7706413, 8406996, 8892015, 9161470, 10077617, 10508745, 10993764, 11856020, 11909911, 13742205, 14011660, 14227224, 15412826, 16813992, 17784030, 18322940, 20155234, 21017490, 21987528, 23119239, 23712040, 23819822, 27484410, 28023320, 30232851, 30825652, 35568060, 35729733, 36645880, 38532065, 40310468, 42034980, 46238478, 47639644, 50388085, 54968820, 59549555, 60465702, 61651304, 71136120, 71459466, 77064130, 80620936, 84069960, 92476956, 95279288, 100776170, 109937640, 115596195, 119099110, 120931404, 131009021, 142918932, 151164255, 154128260, 178648665, 184953912, 201552340, 231192390, 238198220, 241862808, 262018042, 285837864, 302328510, 308256520, 357297330, 393027063, 403104680, 462384780, 476396440, 524036084, 604657020, 655045105, 714594660, 786054126, 924769560, 1048072168, 1209314040, 1310090210, 1429189320, 1572108252, 1965135315, 2620180420, 3144216504, 3930270630, 5240360840, 7860541260, 15721082520]

約数ペア:

[(1, 15721082520), (2, 7860541260), (3, 5240360840), (4, 3930270630), (5, 3144216504), (6, 2620180420), (8, 1965135315), (10, 1572108252), (11, 1429189320), (12, 1310090210), (13, 1209314040), (15, 1048072168), (17, 924769560), (20, 786054126), (22, 714594660), (24, 655045105), (26, 604657020), (30, 524036084), (33, 476396440), (34, 462384780), (39, 403104680), (40, 393027063), (44, 357297330), (51, 308256520), (52, 302328510), (55, 285837864), (60, 262018042), (65, 241862808), (66, 238198220), (68, 231192390), (78, 201552340), (85, 184953912), (88, 178648665), (102, 154128260), (104, 151164255), (110, 142918932), (120, 131009021), (130, 120931404), (132, 119099110), (136, 115596195), (143, 109937640), (156, 100776170), (165, 95279288), (170, 92476956), (187, 84069960), (195, 80620936), (204, 77064130), (220, 71459466), (221, 71136120), (255, 61651304), (260, 60465702), (264, 59549555), (286, 54968820), (312, 50388085), (330, 47639644), (340, 46238478), (374, 42034980), (390, 40310468), (408, 38532065), (429, 36645880), (440, 35729733), (442, 35568060), (510, 30825652), (520, 30232851), (561, 28023320), (572, 27484410), (660, 23819822), (663, 23712040), (680, 23119239), (715, 21987528), (748, 21017490), (780, 20155234), (858, 18322940), (884, 17784030), (935, 16813992), (1020, 15412826), (1105, 14227224), (1122, 14011660), (1144, 13742205), (1320, 11909911), (1326, 11856020), (1430, 10993764), (1496, 10508745), (1560, 10077617), (1716, 9161470), (1768, 8892015), (1870, 8406996), (2040, 7706413), (2145, 7329176), (2210, 7113612), (2244, 7005830), (2431, 6466920), (2652, 5928010), (2805, 5604664), (2860, 5496882), (3315, 4742408), (3432, 4580735), (3740, 4203498), (4290, 3664588), (4420, 3556806), (4488, 3502915), (4862, 3233460), (5304, 2964005), (5610, 2802332), (5720, 2748441), (6630, 2371204), (7293, 2155640), (7480, 2101749), (8580, 1832294), (8840, 1778403), (9724, 1616730), (11220, 1401166), (12155, 1293384), (13260, 1185602), (14586, 1077820), (17160, 916147), (19448, 808365), (22440, 700583), (24310, 646692), (26520, 592801), (29172, 538910), (36465, 431128), (48620, 323346), (53891, 291720), (58344, 269455), (72930, 215564), (97240, 161673), (107782, 145860)]