15663784280

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{48809}}^1$

素因数の和:49004

約数の個数: 64

約数和(自身を含む): 36056923200

約数和(自身を除く): 20393138920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 113, 142, 226, 284, 355, 452, 565, 568, 710, 904, 1130, 1420, 2260, 2840, 4520, 8023, 16046, 32092, 40115, 48809, 64184, 80230, 97618, 160460, 195236, 244045, 320920, 390472, 488090, 976180, 1952360, 3465439, 5515417, 6930878, 11030834, 13861756, 17327195, 22061668, 27577085, 27723512, 34654390, 44123336, 55154170, 69308780, 110308340, 138617560, 220616680, 391594607, 783189214, 1566378428, 1957973035, 3132756856, 3915946070, 7831892140, 15663784280]

約数ペア:

[(1, 15663784280), (2, 7831892140), (4, 3915946070), (5, 3132756856), (8, 1957973035), (10, 1566378428), (20, 783189214), (40, 391594607), (71, 220616680), (113, 138617560), (142, 110308340), (226, 69308780), (284, 55154170), (355, 44123336), (452, 34654390), (565, 27723512), (568, 27577085), (710, 22061668), (904, 17327195), (1130, 13861756), (1420, 11030834), (2260, 6930878), (2840, 5515417), (4520, 3465439), (8023, 1952360), (16046, 976180), (32092, 488090), (40115, 390472), (48809, 320920), (64184, 244045), (80230, 195236), (97618, 160460)]