653408080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1559}}^1$

素因数の和:1629

約数の個数: 120

約数和(自身を含む): 1699176960

約数和(自身を除く): 1045768880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 169, 208, 248, 260, 310, 338, 403, 496, 520, 620, 676, 806, 845, 1040, 1240, 1352, 1559, 1612, 1690, 2015, 2480, 2704, 3118, 3224, 3380, 4030, 5239, 6236, 6448, 6760, 7795, 8060, 10478, 12472, 13520, 15590, 16120, 20267, 20956, 24944, 26195, 31180, 32240, 40534, 41912, 48329, 52390, 62360, 81068, 83824, 96658, 101335, 104780, 124720, 162136, 193316, 202670, 209560, 241645, 263471, 324272, 386632, 405340, 419120, 483290, 526942, 628277, 773264, 810680, 966580, 1053884, 1256554, 1317355, 1621360, 1933160, 2107768, 2513108, 2634710, 3141385, 3866320, 4215536, 5026216, 5269420, 6282770, 8167601, 10052432, 10538840, 12565540, 16335202, 21077680, 25131080, 32670404, 40838005, 50262160, 65340808, 81676010, 130681616, 163352020, 326704040, 653408080]

約数ペア:

[(1, 653408080), (2, 326704040), (4, 163352020), (5, 130681616), (8, 81676010), (10, 65340808), (13, 50262160), (16, 40838005), (20, 32670404), (26, 25131080), (31, 21077680), (40, 16335202), (52, 12565540), (62, 10538840), (65, 10052432), (80, 8167601), (104, 6282770), (124, 5269420), (130, 5026216), (155, 4215536), (169, 3866320), (208, 3141385), (248, 2634710), (260, 2513108), (310, 2107768), (338, 1933160), (403, 1621360), (496, 1317355), (520, 1256554), (620, 1053884), (676, 966580), (806, 810680), (845, 773264), (1040, 628277), (1240, 526942), (1352, 483290), (1559, 419120), (1612, 405340), (1690, 386632), (2015, 324272), (2480, 263471), (2704, 241645), (3118, 209560), (3224, 202670), (3380, 193316), (4030, 162136), (5239, 124720), (6236, 104780), (6448, 101335), (6760, 96658), (7795, 83824), (8060, 81068), (10478, 62360), (12472, 52390), (13520, 48329), (15590, 41912), (16120, 40534), (20267, 32240), (20956, 31180), (24944, 26195)]