131278980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{16451}}^1$

素因数の和:16489

約数の個数: 96

約数和(自身を含む): 442229760

約数和(自身を除く): 310950780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 16451, 32902, 49353, 65804, 82255, 98706, 115157, 164510, 197412, 230314, 246765, 312569, 329020, 345471, 460628, 493530, 575785, 625138, 690942, 937707, 987060, 1151570, 1250276, 1381884, 1562845, 1727355, 1875414, 2187983, 2303140, 3125690, 3454710, 3750828, 4375966, 4688535, 6251380, 6563949, 6909420, 8751932, 9377070, 10939915, 13127898, 18754140, 21879830, 26255796, 32819745, 43759660, 65639490, 131278980]

約数ペア:

[(1, 131278980), (2, 65639490), (3, 43759660), (4, 32819745), (5, 26255796), (6, 21879830), (7, 18754140), (10, 13127898), (12, 10939915), (14, 9377070), (15, 8751932), (19, 6909420), (20, 6563949), (21, 6251380), (28, 4688535), (30, 4375966), (35, 3750828), (38, 3454710), (42, 3125690), (57, 2303140), (60, 2187983), (70, 1875414), (76, 1727355), (84, 1562845), (95, 1381884), (105, 1250276), (114, 1151570), (133, 987060), (140, 937707), (190, 690942), (210, 625138), (228, 575785), (266, 493530), (285, 460628), (380, 345471), (399, 329020), (420, 312569), (532, 246765), (570, 230314), (665, 197412), (798, 164510), (1140, 115157), (1330, 98706), (1596, 82255), (1995, 65804), (2660, 49353), (3990, 32902), (7980, 16451)]