16491720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{677}}^1$

素因数の和:727

約数の個数: 128

約数和(自身を含む): 58579200

約数和(自身を除く): 42087480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 29, 30, 35, 40, 42, 56, 58, 60, 70, 84, 87, 105, 116, 120, 140, 145, 168, 174, 203, 210, 232, 280, 290, 348, 406, 420, 435, 580, 609, 677, 696, 812, 840, 870, 1015, 1160, 1218, 1354, 1624, 1740, 2030, 2031, 2436, 2708, 3045, 3385, 3480, 4060, 4062, 4739, 4872, 5416, 6090, 6770, 8120, 8124, 9478, 10155, 12180, 13540, 14217, 16248, 18956, 19633, 20310, 23695, 24360, 27080, 28434, 37912, 39266, 40620, 47390, 56868, 58899, 71085, 78532, 81240, 94780, 98165, 113736, 117798, 137431, 142170, 157064, 189560, 196330, 235596, 274862, 284340, 294495, 392660, 412293, 471192, 549724, 568680, 588990, 687155, 785320, 824586, 1099448, 1177980, 1374310, 1649172, 2061465, 2355960, 2748620, 3298344, 4122930, 5497240, 8245860, 16491720]

約数ペア:

[(1, 16491720), (2, 8245860), (3, 5497240), (4, 4122930), (5, 3298344), (6, 2748620), (7, 2355960), (8, 2061465), (10, 1649172), (12, 1374310), (14, 1177980), (15, 1099448), (20, 824586), (21, 785320), (24, 687155), (28, 588990), (29, 568680), (30, 549724), (35, 471192), (40, 412293), (42, 392660), (56, 294495), (58, 284340), (60, 274862), (70, 235596), (84, 196330), (87, 189560), (105, 157064), (116, 142170), (120, 137431), (140, 117798), (145, 113736), (168, 98165), (174, 94780), (203, 81240), (210, 78532), (232, 71085), (280, 58899), (290, 56868), (348, 47390), (406, 40620), (420, 39266), (435, 37912), (580, 28434), (609, 27080), (677, 24360), (696, 23695), (812, 20310), (840, 19633), (870, 18956), (1015, 16248), (1160, 14217), (1218, 13540), (1354, 12180), (1624, 10155), (1740, 9478), (2030, 8124), (2031, 8120), (2436, 6770), (2708, 6090), (3045, 5416), (3385, 4872), (3480, 4739), (4060, 4062)]