1491120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:147

約数の個数: 120

約数和(自身を含む): 5319600

約数和(自身を除く): 3828480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 109, 114, 120, 144, 152, 171, 180, 190, 218, 228, 240, 285, 304, 327, 342, 360, 380, 436, 456, 545, 570, 654, 684, 720, 760, 855, 872, 912, 981, 1090, 1140, 1308, 1368, 1520, 1635, 1710, 1744, 1962, 2071, 2180, 2280, 2616, 2736, 3270, 3420, 3924, 4142, 4360, 4560, 4905, 5232, 6213, 6540, 6840, 7848, 8284, 8720, 9810, 10355, 12426, 13080, 13680, 15696, 16568, 18639, 19620, 20710, 24852, 26160, 31065, 33136, 37278, 39240, 41420, 49704, 62130, 74556, 78480, 82840, 93195, 99408, 124260, 149112, 165680, 186390, 248520, 298224, 372780, 497040, 745560, 1491120]

約数ペア:

[(1, 1491120), (2, 745560), (3, 497040), (4, 372780), (5, 298224), (6, 248520), (8, 186390), (9, 165680), (10, 149112), (12, 124260), (15, 99408), (16, 93195), (18, 82840), (19, 78480), (20, 74556), (24, 62130), (30, 49704), (36, 41420), (38, 39240), (40, 37278), (45, 33136), (48, 31065), (57, 26160), (60, 24852), (72, 20710), (76, 19620), (80, 18639), (90, 16568), (95, 15696), (109, 13680), (114, 13080), (120, 12426), (144, 10355), (152, 9810), (171, 8720), (180, 8284), (190, 7848), (218, 6840), (228, 6540), (240, 6213), (285, 5232), (304, 4905), (327, 4560), (342, 4360), (360, 4142), (380, 3924), (436, 3420), (456, 3270), (545, 2736), (570, 2616), (654, 2280), (684, 2180), (720, 2071), (760, 1962), (855, 1744), (872, 1710), (912, 1635), (981, 1520), (1090, 1368), (1140, 1308)]