620678760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{7507}}^1$

素因数の和:7587

約数の個数: 128

約数和(自身を含む): 2043377280

約数和(自身を除く): 1422698520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 53, 60, 65, 78, 104, 106, 120, 130, 156, 159, 195, 212, 260, 265, 312, 318, 390, 424, 520, 530, 636, 689, 780, 795, 1060, 1272, 1378, 1560, 1590, 2067, 2120, 2756, 3180, 3445, 4134, 5512, 6360, 6890, 7507, 8268, 10335, 13780, 15014, 16536, 20670, 22521, 27560, 30028, 37535, 41340, 45042, 60056, 75070, 82680, 90084, 97591, 112605, 150140, 180168, 195182, 225210, 292773, 300280, 390364, 397871, 450420, 487955, 585546, 780728, 795742, 900840, 975910, 1171092, 1193613, 1463865, 1591484, 1951820, 1989355, 2342184, 2387226, 2927730, 3182968, 3903640, 3978710, 4774452, 5172323, 5855460, 5968065, 7957420, 9548904, 10344646, 11710920, 11936130, 15516969, 15914840, 20689292, 23872260, 25861615, 31033938, 41378584, 47744520, 51723230, 62067876, 77584845, 103446460, 124135752, 155169690, 206892920, 310339380, 620678760]

約数ペア:

[(1, 620678760), (2, 310339380), (3, 206892920), (4, 155169690), (5, 124135752), (6, 103446460), (8, 77584845), (10, 62067876), (12, 51723230), (13, 47744520), (15, 41378584), (20, 31033938), (24, 25861615), (26, 23872260), (30, 20689292), (39, 15914840), (40, 15516969), (52, 11936130), (53, 11710920), (60, 10344646), (65, 9548904), (78, 7957420), (104, 5968065), (106, 5855460), (120, 5172323), (130, 4774452), (156, 3978710), (159, 3903640), (195, 3182968), (212, 2927730), (260, 2387226), (265, 2342184), (312, 1989355), (318, 1951820), (390, 1591484), (424, 1463865), (520, 1193613), (530, 1171092), (636, 975910), (689, 900840), (780, 795742), (795, 780728), (1060, 585546), (1272, 487955), (1378, 450420), (1560, 397871), (1590, 390364), (2067, 300280), (2120, 292773), (2756, 225210), (3180, 195182), (3445, 180168), (4134, 150140), (5512, 112605), (6360, 97591), (6890, 90084), (7507, 82680), (8268, 75070), (10335, 60056), (13780, 45042), (15014, 41340), (16536, 37535), (20670, 30028), (22521, 27560)]