280252080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3571}}^1$

素因数の和:3699

約数の個数: 120

約数和(自身を含む): 950080560

約数和(自身を除く): 669828480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 109, 120, 144, 180, 218, 240, 327, 360, 436, 545, 654, 720, 872, 981, 1090, 1308, 1635, 1744, 1962, 2180, 2616, 3270, 3571, 3924, 4360, 4905, 5232, 6540, 7142, 7848, 8720, 9810, 10713, 13080, 14284, 15696, 17855, 19620, 21426, 26160, 28568, 32139, 35710, 39240, 42852, 53565, 57136, 64278, 71420, 78480, 85704, 107130, 128556, 142840, 160695, 171408, 214260, 257112, 285680, 321390, 389239, 428520, 514224, 642780, 778478, 857040, 1167717, 1285560, 1556956, 1946195, 2335434, 2571120, 3113912, 3503151, 3892390, 4670868, 5838585, 6227824, 7006302, 7784780, 9341736, 11677170, 14012604, 15569560, 17515755, 18683472, 23354340, 28025208, 31139120, 35031510, 46708680, 56050416, 70063020, 93417360, 140126040, 280252080]

約数ペア:

[(1, 280252080), (2, 140126040), (3, 93417360), (4, 70063020), (5, 56050416), (6, 46708680), (8, 35031510), (9, 31139120), (10, 28025208), (12, 23354340), (15, 18683472), (16, 17515755), (18, 15569560), (20, 14012604), (24, 11677170), (30, 9341736), (36, 7784780), (40, 7006302), (45, 6227824), (48, 5838585), (60, 4670868), (72, 3892390), (80, 3503151), (90, 3113912), (109, 2571120), (120, 2335434), (144, 1946195), (180, 1556956), (218, 1285560), (240, 1167717), (327, 857040), (360, 778478), (436, 642780), (545, 514224), (654, 428520), (720, 389239), (872, 321390), (981, 285680), (1090, 257112), (1308, 214260), (1635, 171408), (1744, 160695), (1962, 142840), (2180, 128556), (2616, 107130), (3270, 85704), (3571, 78480), (3924, 71420), (4360, 64278), (4905, 57136), (5232, 53565), (6540, 42852), (7142, 39240), (7848, 35710), (8720, 32139), (9810, 28568), (10713, 26160), (13080, 21426), (14284, 19620), (15696, 17855)]