1687840980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1213}}^1\times {\mathrm{3313}}^1$

素因数の和:4545

約数の個数: 96

約数和(自身を含む): 5407175424

約数和(自身を除く): 3719334444

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 1213, 2426, 3313, 3639, 4852, 6065, 6626, 7278, 8491, 9939, 12130, 13252, 14556, 16565, 16982, 18195, 19878, 23191, 24260, 25473, 33130, 33964, 36390, 39756, 42455, 46382, 49695, 50946, 66260, 69573, 72780, 84910, 92764, 99390, 101892, 115955, 127365, 139146, 169820, 198780, 231910, 254730, 278292, 347865, 463820, 509460, 695730, 1391460, 4018669, 8037338, 12056007, 16074676, 20093345, 24112014, 28130683, 40186690, 48224028, 56261366, 60280035, 80373380, 84392049, 112522732, 120560070, 140653415, 168784098, 241120140, 281306830, 337568196, 421960245, 562613660, 843920490, 1687840980]

約数ペア:

[(1, 1687840980), (2, 843920490), (3, 562613660), (4, 421960245), (5, 337568196), (6, 281306830), (7, 241120140), (10, 168784098), (12, 140653415), (14, 120560070), (15, 112522732), (20, 84392049), (21, 80373380), (28, 60280035), (30, 56261366), (35, 48224028), (42, 40186690), (60, 28130683), (70, 24112014), (84, 20093345), (105, 16074676), (140, 12056007), (210, 8037338), (420, 4018669), (1213, 1391460), (2426, 695730), (3313, 509460), (3639, 463820), (4852, 347865), (6065, 278292), (6626, 254730), (7278, 231910), (8491, 198780), (9939, 169820), (12130, 139146), (13252, 127365), (14556, 115955), (16565, 101892), (16982, 99390), (18195, 92764), (19878, 84910), (23191, 72780), (24260, 69573), (25473, 66260), (33130, 50946), (33964, 49695), (36390, 46382), (39756, 42455)]