428280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:140

約数の個数: 64

約数和(自身を含む): 1330560

約数和(自身を除く): 902280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 83, 86, 120, 129, 166, 172, 215, 249, 258, 332, 344, 415, 430, 498, 516, 645, 664, 830, 860, 996, 1032, 1245, 1290, 1660, 1720, 1992, 2490, 2580, 3320, 3569, 4980, 5160, 7138, 9960, 10707, 14276, 17845, 21414, 28552, 35690, 42828, 53535, 71380, 85656, 107070, 142760, 214140, 428280]

約数ペア:

[(1, 428280), (2, 214140), (3, 142760), (4, 107070), (5, 85656), (6, 71380), (8, 53535), (10, 42828), (12, 35690), (15, 28552), (20, 21414), (24, 17845), (30, 14276), (40, 10707), (43, 9960), (60, 7138), (83, 5160), (86, 4980), (120, 3569), (129, 3320), (166, 2580), (172, 2490), (215, 1992), (249, 1720), (258, 1660), (332, 1290), (344, 1245), (415, 1032), (430, 996), (498, 860), (516, 830), (645, 664)]