8901720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{313}}^1$

素因数の和:409

約数の個数: 96

約数和(自身を含む): 29390400

約数和(自身を除く): 20488680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 79, 90, 120, 158, 180, 237, 313, 316, 360, 395, 474, 626, 632, 711, 790, 939, 948, 1185, 1252, 1422, 1565, 1580, 1878, 1896, 2370, 2504, 2817, 2844, 3130, 3160, 3555, 3756, 4695, 4740, 5634, 5688, 6260, 7110, 7512, 9390, 9480, 11268, 12520, 14085, 14220, 18780, 22536, 24727, 28170, 28440, 37560, 49454, 56340, 74181, 98908, 112680, 123635, 148362, 197816, 222543, 247270, 296724, 370905, 445086, 494540, 593448, 741810, 890172, 989080, 1112715, 1483620, 1780344, 2225430, 2967240, 4450860, 8901720]

約数ペア:

[(1, 8901720), (2, 4450860), (3, 2967240), (4, 2225430), (5, 1780344), (6, 1483620), (8, 1112715), (9, 989080), (10, 890172), (12, 741810), (15, 593448), (18, 494540), (20, 445086), (24, 370905), (30, 296724), (36, 247270), (40, 222543), (45, 197816), (60, 148362), (72, 123635), (79, 112680), (90, 98908), (120, 74181), (158, 56340), (180, 49454), (237, 37560), (313, 28440), (316, 28170), (360, 24727), (395, 22536), (474, 18780), (626, 14220), (632, 14085), (711, 12520), (790, 11268), (939, 9480), (948, 9390), (1185, 7512), (1252, 7110), (1422, 6260), (1565, 5688), (1580, 5634), (1878, 4740), (1896, 4695), (2370, 3756), (2504, 3555), (2817, 3160), (2844, 3130)]