1554280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1$

素因数の和:99

約数の個数: 96

約数和(自身を含む): 4452840

約数和(自身を除く): 2898560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 61, 65, 70, 91, 98, 104, 122, 130, 140, 182, 196, 244, 245, 260, 280, 305, 364, 392, 427, 455, 488, 490, 520, 610, 637, 728, 793, 854, 910, 980, 1220, 1274, 1586, 1708, 1820, 1960, 2135, 2440, 2548, 2989, 3172, 3185, 3416, 3640, 3965, 4270, 5096, 5551, 5978, 6344, 6370, 7930, 8540, 11102, 11956, 12740, 14945, 15860, 17080, 22204, 23912, 25480, 27755, 29890, 31720, 38857, 44408, 55510, 59780, 77714, 111020, 119560, 155428, 194285, 222040, 310856, 388570, 777140, 1554280]

約数ペア:

[(1, 1554280), (2, 777140), (4, 388570), (5, 310856), (7, 222040), (8, 194285), (10, 155428), (13, 119560), (14, 111020), (20, 77714), (26, 59780), (28, 55510), (35, 44408), (40, 38857), (49, 31720), (52, 29890), (56, 27755), (61, 25480), (65, 23912), (70, 22204), (91, 17080), (98, 15860), (104, 14945), (122, 12740), (130, 11956), (140, 11102), (182, 8540), (196, 7930), (244, 6370), (245, 6344), (260, 5978), (280, 5551), (305, 5096), (364, 4270), (392, 3965), (427, 3640), (455, 3416), (488, 3185), (490, 3172), (520, 2989), (610, 2548), (637, 2440), (728, 2135), (793, 1960), (854, 1820), (910, 1708), (980, 1586), (1220, 1274)]