87670980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1$

素因数の和:346

約数の個数: 144

約数和(自身を含む): 279062784

約数和(自身を除く): 191391804

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 47, 60, 86, 90, 94, 129, 141, 172, 180, 188, 215, 235, 241, 258, 282, 387, 423, 430, 470, 482, 516, 564, 645, 705, 723, 774, 846, 860, 940, 964, 1205, 1290, 1410, 1446, 1548, 1692, 1935, 2021, 2115, 2169, 2410, 2580, 2820, 2892, 3615, 3870, 4042, 4230, 4338, 4820, 6063, 7230, 7740, 8084, 8460, 8676, 10105, 10363, 10845, 11327, 12126, 14460, 18189, 20210, 20726, 21690, 22654, 24252, 30315, 31089, 33981, 36378, 40420, 41452, 43380, 45308, 51815, 56635, 60630, 62178, 67962, 72756, 90945, 93267, 101943, 103630, 113270, 121260, 124356, 135924, 155445, 169905, 181890, 186534, 203886, 207260, 226540, 310890, 339810, 363780, 373068, 407772, 466335, 487061, 509715, 621780, 679620, 932670, 974122, 1019430, 1461183, 1865340, 1948244, 2038860, 2435305, 2922366, 4383549, 4870610, 5844732, 7305915, 8767098, 9741220, 14611830, 17534196, 21917745, 29223660, 43835490, 87670980]

約数ペア:

[(1, 87670980), (2, 43835490), (3, 29223660), (4, 21917745), (5, 17534196), (6, 14611830), (9, 9741220), (10, 8767098), (12, 7305915), (15, 5844732), (18, 4870610), (20, 4383549), (30, 2922366), (36, 2435305), (43, 2038860), (45, 1948244), (47, 1865340), (60, 1461183), (86, 1019430), (90, 974122), (94, 932670), (129, 679620), (141, 621780), (172, 509715), (180, 487061), (188, 466335), (215, 407772), (235, 373068), (241, 363780), (258, 339810), (282, 310890), (387, 226540), (423, 207260), (430, 203886), (470, 186534), (482, 181890), (516, 169905), (564, 155445), (645, 135924), (705, 124356), (723, 121260), (774, 113270), (846, 103630), (860, 101943), (940, 93267), (964, 90945), (1205, 72756), (1290, 67962), (1410, 62178), (1446, 60630), (1548, 56635), (1692, 51815), (1935, 45308), (2021, 43380), (2115, 41452), (2169, 40420), (2410, 36378), (2580, 33981), (2820, 31089), (2892, 30315), (3615, 24252), (3870, 22654), (4042, 21690), (4230, 20726), (4338, 20210), (4820, 18189), (6063, 14460), (7230, 12126), (7740, 11327), (8084, 10845), (8460, 10363), (8676, 10105)]