30867720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:495

約数の個数: 128

約数和(自身を含む): 102090240

約数和(自身を除く): 71222520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 47, 52, 60, 65, 78, 94, 104, 120, 130, 141, 156, 188, 195, 235, 260, 282, 312, 376, 390, 421, 470, 520, 564, 611, 705, 780, 842, 940, 1128, 1222, 1263, 1410, 1560, 1684, 1833, 1880, 2105, 2444, 2526, 2820, 3055, 3368, 3666, 4210, 4888, 5052, 5473, 5640, 6110, 6315, 7332, 8420, 9165, 10104, 10946, 12220, 12630, 14664, 16419, 16840, 18330, 19787, 21892, 24440, 25260, 27365, 32838, 36660, 39574, 43784, 50520, 54730, 59361, 65676, 73320, 79148, 82095, 98935, 109460, 118722, 131352, 158296, 164190, 197870, 218920, 237444, 257231, 296805, 328380, 395740, 474888, 514462, 593610, 656760, 771693, 791480, 1028924, 1187220, 1286155, 1543386, 2057848, 2374440, 2572310, 3086772, 3858465, 5144620, 6173544, 7716930, 10289240, 15433860, 30867720]

約数ペア:

[(1, 30867720), (2, 15433860), (3, 10289240), (4, 7716930), (5, 6173544), (6, 5144620), (8, 3858465), (10, 3086772), (12, 2572310), (13, 2374440), (15, 2057848), (20, 1543386), (24, 1286155), (26, 1187220), (30, 1028924), (39, 791480), (40, 771693), (47, 656760), (52, 593610), (60, 514462), (65, 474888), (78, 395740), (94, 328380), (104, 296805), (120, 257231), (130, 237444), (141, 218920), (156, 197870), (188, 164190), (195, 158296), (235, 131352), (260, 118722), (282, 109460), (312, 98935), (376, 82095), (390, 79148), (421, 73320), (470, 65676), (520, 59361), (564, 54730), (611, 50520), (705, 43784), (780, 39574), (842, 36660), (940, 32838), (1128, 27365), (1222, 25260), (1263, 24440), (1410, 21892), (1560, 19787), (1684, 18330), (1833, 16840), (1880, 16419), (2105, 14664), (2444, 12630), (2526, 12220), (2820, 10946), (3055, 10104), (3368, 9165), (3666, 8420), (4210, 7332), (4888, 6315), (5052, 6110), (5473, 5640)]