1809680800

素因数分解:

$2^5\times 5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1697}}^1$

素因数の和:1791

約数の個数: 144

約数和(自身を含む): 4669201152

約数和(自身を除く): 2859520352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 43, 50, 62, 80, 86, 100, 124, 155, 160, 172, 200, 215, 248, 310, 344, 400, 430, 496, 620, 688, 775, 800, 860, 992, 1075, 1240, 1333, 1376, 1550, 1697, 1720, 2150, 2480, 2666, 3100, 3394, 3440, 4300, 4960, 5332, 6200, 6665, 6788, 6880, 8485, 8600, 10664, 12400, 13330, 13576, 16970, 17200, 21328, 24800, 26660, 27152, 33325, 33940, 34400, 42425, 42656, 52607, 53320, 54304, 66650, 67880, 72971, 84850, 105214, 106640, 133300, 135760, 145942, 169700, 210428, 213280, 263035, 266600, 271520, 291884, 339400, 364855, 420856, 526070, 533200, 583768, 678800, 729710, 841712, 1052140, 1066400, 1167536, 1315175, 1357600, 1459420, 1683424, 1824275, 2104280, 2262101, 2335072, 2630350, 2918840, 3648550, 4208560, 4524202, 5260700, 5837680, 7297100, 8417120, 9048404, 10521400, 11310505, 11675360, 14594200, 18096808, 21042800, 22621010, 29188400, 36193616, 42085600, 45242020, 56552525, 58376800, 72387232, 90484040, 113105050, 180968080, 226210100, 361936160, 452420200, 904840400, 1809680800]

約数ペア:

[(1, 1809680800), (2, 904840400), (4, 452420200), (5, 361936160), (8, 226210100), (10, 180968080), (16, 113105050), (20, 90484040), (25, 72387232), (31, 58376800), (32, 56552525), (40, 45242020), (43, 42085600), (50, 36193616), (62, 29188400), (80, 22621010), (86, 21042800), (100, 18096808), (124, 14594200), (155, 11675360), (160, 11310505), (172, 10521400), (200, 9048404), (215, 8417120), (248, 7297100), (310, 5837680), (344, 5260700), (400, 4524202), (430, 4208560), (496, 3648550), (620, 2918840), (688, 2630350), (775, 2335072), (800, 2262101), (860, 2104280), (992, 1824275), (1075, 1683424), (1240, 1459420), (1333, 1357600), (1376, 1315175), (1550, 1167536), (1697, 1066400), (1720, 1052140), (2150, 841712), (2480, 729710), (2666, 678800), (3100, 583768), (3394, 533200), (3440, 526070), (4300, 420856), (4960, 364855), (5332, 339400), (6200, 291884), (6665, 271520), (6788, 266600), (6880, 263035), (8485, 213280), (8600, 210428), (10664, 169700), (12400, 145942), (13330, 135760), (13576, 133300), (16970, 106640), (17200, 105214), (21328, 84850), (24800, 72971), (26660, 67880), (27152, 66650), (33325, 54304), (33940, 53320), (34400, 52607), (42425, 42656)]