640374228

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{456107}}^1$

素因数の和:456133

約数の個数: 48

約数和(自身を含む): 1787943360

約数和(自身を除く): 1147569132

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 456107, 912214, 1368321, 1824428, 2736642, 4104963, 5473284, 5929391, 8209926, 11858782, 12314889, 16419852, 17788173, 23717564, 24629778, 35576346, 49259556, 53364519, 71152692, 106729038, 160093557, 213458076, 320187114, 640374228]

約数ペア:

[(1, 640374228), (2, 320187114), (3, 213458076), (4, 160093557), (6, 106729038), (9, 71152692), (12, 53364519), (13, 49259556), (18, 35576346), (26, 24629778), (27, 23717564), (36, 17788173), (39, 16419852), (52, 12314889), (54, 11858782), (78, 8209926), (108, 5929391), (117, 5473284), (156, 4104963), (234, 2736642), (351, 1824428), (468, 1368321), (702, 912214), (1404, 456107)]