1089840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:274

約数の個数: 80

約数和(自身を含む): 3571200

約数和(自身を除く): 2481360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 239, 240, 285, 304, 380, 456, 478, 570, 717, 760, 912, 956, 1140, 1195, 1434, 1520, 1912, 2280, 2390, 2868, 3585, 3824, 4541, 4560, 4780, 5736, 7170, 9082, 9560, 11472, 13623, 14340, 18164, 19120, 22705, 27246, 28680, 36328, 45410, 54492, 57360, 68115, 72656, 90820, 108984, 136230, 181640, 217968, 272460, 363280, 544920, 1089840]

約数ペア:

[(1, 1089840), (2, 544920), (3, 363280), (4, 272460), (5, 217968), (6, 181640), (8, 136230), (10, 108984), (12, 90820), (15, 72656), (16, 68115), (19, 57360), (20, 54492), (24, 45410), (30, 36328), (38, 28680), (40, 27246), (48, 22705), (57, 19120), (60, 18164), (76, 14340), (80, 13623), (95, 11472), (114, 9560), (120, 9082), (152, 7170), (190, 5736), (228, 4780), (239, 4560), (240, 4541), (285, 3824), (304, 3585), (380, 2868), (456, 2390), (478, 2280), (570, 1912), (717, 1520), (760, 1434), (912, 1195), (956, 1140)]