147420

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{13}}^1$

素因数の和:41

約数の個数: 120

約数和(自身を含む): 569184

約数和(自身を除く): 421764

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 45, 52, 54, 60, 63, 65, 70, 78, 81, 84, 90, 91, 105, 108, 117, 126, 130, 135, 140, 156, 162, 180, 182, 189, 195, 210, 234, 252, 260, 270, 273, 315, 324, 351, 364, 378, 390, 405, 420, 455, 468, 540, 546, 567, 585, 630, 702, 756, 780, 810, 819, 910, 945, 1053, 1092, 1134, 1170, 1260, 1365, 1404, 1620, 1638, 1755, 1820, 1890, 2106, 2268, 2340, 2457, 2730, 2835, 3276, 3510, 3780, 4095, 4212, 4914, 5265, 5460, 5670, 7020, 7371, 8190, 9828, 10530, 11340, 12285, 14742, 16380, 21060, 24570, 29484, 36855, 49140, 73710, 147420]

約数ペア:

[(1, 147420), (2, 73710), (3, 49140), (4, 36855), (5, 29484), (6, 24570), (7, 21060), (9, 16380), (10, 14742), (12, 12285), (13, 11340), (14, 10530), (15, 9828), (18, 8190), (20, 7371), (21, 7020), (26, 5670), (27, 5460), (28, 5265), (30, 4914), (35, 4212), (36, 4095), (39, 3780), (42, 3510), (45, 3276), (52, 2835), (54, 2730), (60, 2457), (63, 2340), (65, 2268), (70, 2106), (78, 1890), (81, 1820), (84, 1755), (90, 1638), (91, 1620), (105, 1404), (108, 1365), (117, 1260), (126, 1170), (130, 1134), (135, 1092), (140, 1053), (156, 945), (162, 910), (180, 819), (182, 810), (189, 780), (195, 756), (210, 702), (234, 630), (252, 585), (260, 567), (270, 546), (273, 540), (315, 468), (324, 455), (351, 420), (364, 405), (378, 390)]