7647235020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{227}}^1\times {\mathrm{887}}^1$

素因数の和:1340

約数の個数: 144

約数和(自身を含む): 23435612928

約数和(自身を除く): 15788377908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 211, 227, 422, 454, 633, 681, 844, 887, 908, 1055, 1135, 1266, 1362, 1774, 1899, 2043, 2110, 2270, 2532, 2661, 2724, 3165, 3405, 3548, 3798, 4086, 4220, 4435, 4540, 5322, 6330, 6810, 7596, 7983, 8172, 8870, 9495, 10215, 10644, 12660, 13305, 13620, 15966, 17740, 18990, 20430, 26610, 31932, 37980, 39915, 40860, 47897, 53220, 79830, 95794, 143691, 159660, 187157, 191588, 201349, 239485, 287382, 374314, 402698, 431073, 478970, 561471, 574764, 604047, 718455, 748628, 805396, 862146, 935785, 957940, 1006745, 1122942, 1208094, 1436910, 1684413, 1724292, 1812141, 1871570, 2013490, 2155365, 2245884, 2416188, 2807355, 2873820, 3020235, 3368826, 3624282, 3743140, 4026980, 4310730, 5614710, 6040470, 6737652, 7248564, 8422065, 8621460, 9060705, 11229420, 12080940, 16844130, 18121410, 33688260, 36242820, 42484639, 84969278, 127453917, 169938556, 212423195, 254907834, 382361751, 424846390, 509815668, 637269585, 764723502, 849692780, 1274539170, 1529447004, 1911808755, 2549078340, 3823617510, 7647235020]

約数ペア:

[(1, 7647235020), (2, 3823617510), (3, 2549078340), (4, 1911808755), (5, 1529447004), (6, 1274539170), (9, 849692780), (10, 764723502), (12, 637269585), (15, 509815668), (18, 424846390), (20, 382361751), (30, 254907834), (36, 212423195), (45, 169938556), (60, 127453917), (90, 84969278), (180, 42484639), (211, 36242820), (227, 33688260), (422, 18121410), (454, 16844130), (633, 12080940), (681, 11229420), (844, 9060705), (887, 8621460), (908, 8422065), (1055, 7248564), (1135, 6737652), (1266, 6040470), (1362, 5614710), (1774, 4310730), (1899, 4026980), (2043, 3743140), (2110, 3624282), (2270, 3368826), (2532, 3020235), (2661, 2873820), (2724, 2807355), (3165, 2416188), (3405, 2245884), (3548, 2155365), (3798, 2013490), (4086, 1871570), (4220, 1812141), (4435, 1724292), (4540, 1684413), (5322, 1436910), (6330, 1208094), (6810, 1122942), (7596, 1006745), (7983, 957940), (8172, 935785), (8870, 862146), (9495, 805396), (10215, 748628), (10644, 718455), (12660, 604047), (13305, 574764), (13620, 561471), (15966, 478970), (17740, 431073), (18990, 402698), (20430, 374314), (26610, 287382), (31932, 239485), (37980, 201349), (39915, 191588), (40860, 187157), (47897, 159660), (53220, 143691), (79830, 95794)]