30021720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{5323}}^1$

素因数の和:5384

約数の個数: 64

約数和(自身を含む): 91998720

約数和(自身を除く): 61977000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 235, 282, 376, 470, 564, 705, 940, 1128, 1410, 1880, 2820, 5323, 5640, 10646, 15969, 21292, 26615, 31938, 42584, 53230, 63876, 79845, 106460, 127752, 159690, 212920, 250181, 319380, 500362, 638760, 750543, 1000724, 1250905, 1501086, 2001448, 2501810, 3002172, 3752715, 5003620, 6004344, 7505430, 10007240, 15010860, 30021720]

約数ペア:

[(1, 30021720), (2, 15010860), (3, 10007240), (4, 7505430), (5, 6004344), (6, 5003620), (8, 3752715), (10, 3002172), (12, 2501810), (15, 2001448), (20, 1501086), (24, 1250905), (30, 1000724), (40, 750543), (47, 638760), (60, 500362), (94, 319380), (120, 250181), (141, 212920), (188, 159690), (235, 127752), (282, 106460), (376, 79845), (470, 63876), (564, 53230), (705, 42584), (940, 31938), (1128, 26615), (1410, 21292), (1880, 15969), (2820, 10646), (5323, 5640)]