28740240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{223}}^1$

素因数の和:421

約数の個数: 120

約数和(自身を含む): 97493760

約数和(自身を除く): 68753520

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, 120, 144, 179, 180, 223, 240, 358, 360, 446, 537, 669, 716, 720, 892, 895, 1074, 1115, 1338, 1432, 1611, 1784, 1790, 2007, 2148, 2230, 2676, 2685, 2864, 3222, 3345, 3568, 3580, 4014, 4296, 4460, 5352, 5370, 6444, 6690, 7160, 8028, 8055, 8592, 8920, 10035, 10704, 10740, 12888, 13380, 14320, 16056, 16110, 17840, 20070, 21480, 25776, 26760, 32112, 32220, 39917, 40140, 42960, 53520, 64440, 79834, 80280, 119751, 128880, 159668, 160560, 199585, 239502, 319336, 359253, 399170, 479004, 598755, 638672, 718506, 798340, 958008, 1197510, 1437012, 1596680, 1796265, 1916016, 2395020, 2874024, 3193360, 3592530, 4790040, 5748048, 7185060, 9580080, 14370120, 28740240]

約数ペア:

[(1, 28740240), (2, 14370120), (3, 9580080), (4, 7185060), (5, 5748048), (6, 4790040), (8, 3592530), (9, 3193360), (10, 2874024), (12, 2395020), (15, 1916016), (16, 1796265), (18, 1596680), (20, 1437012), (24, 1197510), (30, 958008), (36, 798340), (40, 718506), (45, 638672), (48, 598755), (60, 479004), (72, 399170), (80, 359253), (90, 319336), (120, 239502), (144, 199585), (179, 160560), (180, 159668), (223, 128880), (240, 119751), (358, 80280), (360, 79834), (446, 64440), (537, 53520), (669, 42960), (716, 40140), (720, 39917), (892, 32220), (895, 32112), (1074, 26760), (1115, 25776), (1338, 21480), (1432, 20070), (1611, 17840), (1784, 16110), (1790, 16056), (2007, 14320), (2148, 13380), (2230, 12888), (2676, 10740), (2685, 10704), (2864, 10035), (3222, 8920), (3345, 8592), (3568, 8055), (3580, 8028), (4014, 7160), (4296, 6690), (4460, 6444), (5352, 5370)]