521999880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1\times {\mathrm{269}}^1$

素因数の和:543

約数の個数: 128

約数和(自身を含む): 1597190400

約数和(自身を除く): 1075190520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 103, 120, 157, 206, 269, 309, 314, 412, 471, 515, 538, 618, 628, 785, 807, 824, 942, 1030, 1076, 1236, 1256, 1345, 1545, 1570, 1614, 1884, 2060, 2152, 2355, 2472, 2690, 3090, 3140, 3228, 3768, 4035, 4120, 4710, 5380, 6180, 6280, 6456, 8070, 9420, 10760, 12360, 16140, 16171, 18840, 27707, 32280, 32342, 42233, 48513, 55414, 64684, 80855, 83121, 84466, 97026, 110828, 126699, 129368, 138535, 161710, 166242, 168932, 194052, 211165, 221656, 242565, 253398, 277070, 323420, 332484, 337864, 388104, 415605, 422330, 485130, 506796, 554140, 633495, 646840, 664968, 831210, 844660, 970260, 1013592, 1108280, 1266990, 1662420, 1689320, 1940520, 2533980, 3324840, 4349999, 5067960, 8699998, 13049997, 17399996, 21749995, 26099994, 34799992, 43499990, 52199988, 65249985, 86999980, 104399976, 130499970, 173999960, 260999940, 521999880]

約数ペア:

[(1, 521999880), (2, 260999940), (3, 173999960), (4, 130499970), (5, 104399976), (6, 86999980), (8, 65249985), (10, 52199988), (12, 43499990), (15, 34799992), (20, 26099994), (24, 21749995), (30, 17399996), (40, 13049997), (60, 8699998), (103, 5067960), (120, 4349999), (157, 3324840), (206, 2533980), (269, 1940520), (309, 1689320), (314, 1662420), (412, 1266990), (471, 1108280), (515, 1013592), (538, 970260), (618, 844660), (628, 831210), (785, 664968), (807, 646840), (824, 633495), (942, 554140), (1030, 506796), (1076, 485130), (1236, 422330), (1256, 415605), (1345, 388104), (1545, 337864), (1570, 332484), (1614, 323420), (1884, 277070), (2060, 253398), (2152, 242565), (2355, 221656), (2472, 211165), (2690, 194052), (3090, 168932), (3140, 166242), (3228, 161710), (3768, 138535), (4035, 129368), (4120, 126699), (4710, 110828), (5380, 97026), (6180, 84466), (6280, 83121), (6456, 80855), (8070, 64684), (9420, 55414), (10760, 48513), (12360, 42233), (16140, 32342), (16171, 32280), (18840, 27707)]