28916880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1697}}^1$

素因数の和:1784

約数の個数: 80

約数和(自身を含む): 90958464

約数和(自身を除く): 62041584

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 71, 80, 120, 142, 213, 240, 284, 355, 426, 568, 710, 852, 1065, 1136, 1420, 1697, 1704, 2130, 2840, 3394, 3408, 4260, 5091, 5680, 6788, 8485, 8520, 10182, 13576, 16970, 17040, 20364, 25455, 27152, 33940, 40728, 50910, 67880, 81456, 101820, 120487, 135760, 203640, 240974, 361461, 407280, 481948, 602435, 722922, 963896, 1204870, 1445844, 1807305, 1927792, 2409740, 2891688, 3614610, 4819480, 5783376, 7229220, 9638960, 14458440, 28916880]

約数ペア:

[(1, 28916880), (2, 14458440), (3, 9638960), (4, 7229220), (5, 5783376), (6, 4819480), (8, 3614610), (10, 2891688), (12, 2409740), (15, 1927792), (16, 1807305), (20, 1445844), (24, 1204870), (30, 963896), (40, 722922), (48, 602435), (60, 481948), (71, 407280), (80, 361461), (120, 240974), (142, 203640), (213, 135760), (240, 120487), (284, 101820), (355, 81456), (426, 67880), (568, 50910), (710, 40728), (852, 33940), (1065, 27152), (1136, 25455), (1420, 20364), (1697, 17040), (1704, 16970), (2130, 13576), (2840, 10182), (3394, 8520), (3408, 8485), (4260, 6788), (5091, 5680)]