400828080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{983}}^1\times {\mathrm{1699}}^1$

素因数の和:2698

約数の個数: 80

約数和(自身を含む): 1244563200

約数和(自身を除く): 843735120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 983, 1699, 1966, 2949, 3398, 3932, 4915, 5097, 5898, 6796, 7864, 8495, 9830, 10194, 11796, 13592, 14745, 15728, 16990, 19660, 20388, 23592, 25485, 27184, 29490, 33980, 39320, 40776, 47184, 50970, 58980, 67960, 78640, 81552, 101940, 117960, 135920, 203880, 235920, 407760, 1670117, 3340234, 5010351, 6680468, 8350585, 10020702, 13360936, 16701170, 20041404, 25051755, 26721872, 33402340, 40082808, 50103510, 66804680, 80165616, 100207020, 133609360, 200414040, 400828080]

約数ペア:

[(1, 400828080), (2, 200414040), (3, 133609360), (4, 100207020), (5, 80165616), (6, 66804680), (8, 50103510), (10, 40082808), (12, 33402340), (15, 26721872), (16, 25051755), (20, 20041404), (24, 16701170), (30, 13360936), (40, 10020702), (48, 8350585), (60, 6680468), (80, 5010351), (120, 3340234), (240, 1670117), (983, 407760), (1699, 235920), (1966, 203880), (2949, 135920), (3398, 117960), (3932, 101940), (4915, 81552), (5097, 78640), (5898, 67960), (6796, 58980), (7864, 50970), (8495, 47184), (9830, 40776), (10194, 39320), (11796, 33980), (13592, 29490), (14745, 27184), (15728, 25485), (16990, 23592), (19660, 20388)]