643432280

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{617}}^1$

素因数の和:717

約数の個数: 96

約数和(自身を含む): 1550240640

約数和(自身を除く): 906808360

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 58, 62, 116, 124, 145, 155, 232, 248, 290, 310, 580, 617, 620, 841, 899, 1160, 1234, 1240, 1682, 1798, 2468, 3085, 3364, 3596, 4205, 4495, 4936, 6170, 6728, 7192, 8410, 8990, 12340, 16820, 17893, 17980, 19127, 24680, 26071, 33640, 35786, 35960, 38254, 52142, 71572, 76508, 89465, 95635, 104284, 130355, 143144, 153016, 178930, 191270, 208568, 260710, 357860, 382540, 518897, 521420, 554683, 715720, 765080, 1037794, 1042840, 1109366, 2075588, 2218732, 2594485, 2773415, 4151176, 4437464, 5188970, 5546830, 10377940, 11093660, 16085807, 20755880, 22187320, 32171614, 64343228, 80429035, 128686456, 160858070, 321716140, 643432280]

約数ペア:

[(1, 643432280), (2, 321716140), (4, 160858070), (5, 128686456), (8, 80429035), (10, 64343228), (20, 32171614), (29, 22187320), (31, 20755880), (40, 16085807), (58, 11093660), (62, 10377940), (116, 5546830), (124, 5188970), (145, 4437464), (155, 4151176), (232, 2773415), (248, 2594485), (290, 2218732), (310, 2075588), (580, 1109366), (617, 1042840), (620, 1037794), (841, 765080), (899, 715720), (1160, 554683), (1234, 521420), (1240, 518897), (1682, 382540), (1798, 357860), (2468, 260710), (3085, 208568), (3364, 191270), (3596, 178930), (4205, 153016), (4495, 143144), (4936, 130355), (6170, 104284), (6728, 95635), (7192, 89465), (8410, 76508), (8990, 71572), (12340, 52142), (16820, 38254), (17893, 35960), (17980, 35786), (19127, 33640), (24680, 26071)]