2684240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:144

約数の個数: 80

約数和(自身を含む): 7030800

約数和(自身を除く): 4346560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 40, 52, 58, 65, 80, 89, 104, 116, 130, 145, 178, 208, 232, 260, 290, 356, 377, 445, 464, 520, 580, 712, 754, 890, 1040, 1157, 1160, 1424, 1508, 1780, 1885, 2314, 2320, 2581, 3016, 3560, 3770, 4628, 5162, 5785, 6032, 7120, 7540, 9256, 10324, 11570, 12905, 15080, 18512, 20648, 23140, 25810, 30160, 33553, 41296, 46280, 51620, 67106, 92560, 103240, 134212, 167765, 206480, 268424, 335530, 536848, 671060, 1342120, 2684240]

約数ペア:

[(1, 2684240), (2, 1342120), (4, 671060), (5, 536848), (8, 335530), (10, 268424), (13, 206480), (16, 167765), (20, 134212), (26, 103240), (29, 92560), (40, 67106), (52, 51620), (58, 46280), (65, 41296), (80, 33553), (89, 30160), (104, 25810), (116, 23140), (130, 20648), (145, 18512), (178, 15080), (208, 12905), (232, 11570), (260, 10324), (290, 9256), (356, 7540), (377, 7120), (445, 6032), (464, 5785), (520, 5162), (580, 4628), (712, 3770), (754, 3560), (890, 3016), (1040, 2581), (1157, 2320), (1160, 2314), (1424, 1885), (1508, 1780)]