87412980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1993}}^1$

素因数の和:2065

約数の個数: 96

約数和(自身を含む): 265313664

約数和(自身を除く): 177900684

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 43, 51, 60, 68, 85, 86, 102, 129, 170, 172, 204, 215, 255, 258, 340, 430, 510, 516, 645, 731, 860, 1020, 1290, 1462, 1993, 2193, 2580, 2924, 3655, 3986, 4386, 5979, 7310, 7972, 8772, 9965, 10965, 11958, 14620, 19930, 21930, 23916, 29895, 33881, 39860, 43860, 59790, 67762, 85699, 101643, 119580, 135524, 169405, 171398, 203286, 257097, 338810, 342796, 406572, 428495, 508215, 514194, 677620, 856990, 1016430, 1028388, 1285485, 1456883, 1713980, 2032860, 2570970, 2913766, 4370649, 5141940, 5827532, 7284415, 8741298, 14568830, 17482596, 21853245, 29137660, 43706490, 87412980]

約数ペア:

[(1, 87412980), (2, 43706490), (3, 29137660), (4, 21853245), (5, 17482596), (6, 14568830), (10, 8741298), (12, 7284415), (15, 5827532), (17, 5141940), (20, 4370649), (30, 2913766), (34, 2570970), (43, 2032860), (51, 1713980), (60, 1456883), (68, 1285485), (85, 1028388), (86, 1016430), (102, 856990), (129, 677620), (170, 514194), (172, 508215), (204, 428495), (215, 406572), (255, 342796), (258, 338810), (340, 257097), (430, 203286), (510, 171398), (516, 169405), (645, 135524), (731, 119580), (860, 101643), (1020, 85699), (1290, 67762), (1462, 59790), (1993, 43860), (2193, 39860), (2580, 33881), (2924, 29895), (3655, 23916), (3986, 21930), (4386, 19930), (5979, 14620), (7310, 11958), (7972, 10965), (8772, 9965)]