1619280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1$

素因数の和:205

約数の個数: 120

約数和(自身を含む): 5890248

約数和(自身を除く): 4270968

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 173, 180, 195, 208, 234, 240, 260, 312, 346, 360, 390, 468, 519, 520, 585, 624, 692, 720, 780, 865, 936, 1038, 1040, 1170, 1384, 1557, 1560, 1730, 1872, 2076, 2249, 2340, 2595, 2768, 3114, 3120, 3460, 4152, 4498, 4680, 5190, 6228, 6747, 6920, 7785, 8304, 8996, 9360, 10380, 11245, 12456, 13494, 13840, 15570, 17992, 20241, 20760, 22490, 24912, 26988, 31140, 33735, 35984, 40482, 41520, 44980, 53976, 62280, 67470, 80964, 89960, 101205, 107952, 124560, 134940, 161928, 179920, 202410, 269880, 323856, 404820, 539760, 809640, 1619280]

約数ペア:

[(1, 1619280), (2, 809640), (3, 539760), (4, 404820), (5, 323856), (6, 269880), (8, 202410), (9, 179920), (10, 161928), (12, 134940), (13, 124560), (15, 107952), (16, 101205), (18, 89960), (20, 80964), (24, 67470), (26, 62280), (30, 53976), (36, 44980), (39, 41520), (40, 40482), (45, 35984), (48, 33735), (52, 31140), (60, 26988), (65, 24912), (72, 22490), (78, 20760), (80, 20241), (90, 17992), (104, 15570), (117, 13840), (120, 13494), (130, 12456), (144, 11245), (156, 10380), (173, 9360), (180, 8996), (195, 8304), (208, 7785), (234, 6920), (240, 6747), (260, 6228), (312, 5190), (346, 4680), (360, 4498), (390, 4152), (468, 3460), (519, 3120), (520, 3114), (585, 2768), (624, 2595), (692, 2340), (720, 2249), (780, 2076), (865, 1872), (936, 1730), (1038, 1560), (1040, 1557), (1170, 1384)]