7312240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:194

約数の個数: 80

約数和(自身を含む): 18748800

約数和(自身を除く): 11436560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 79, 80, 89, 104, 130, 158, 178, 208, 260, 316, 356, 395, 445, 520, 632, 712, 790, 890, 1027, 1040, 1157, 1264, 1424, 1580, 1780, 2054, 2314, 3160, 3560, 4108, 4628, 5135, 5785, 6320, 7031, 7120, 8216, 9256, 10270, 11570, 14062, 16432, 18512, 20540, 23140, 28124, 35155, 41080, 46280, 56248, 70310, 82160, 91403, 92560, 112496, 140620, 182806, 281240, 365612, 457015, 562480, 731224, 914030, 1462448, 1828060, 3656120, 7312240]

約数ペア:

[(1, 7312240), (2, 3656120), (4, 1828060), (5, 1462448), (8, 914030), (10, 731224), (13, 562480), (16, 457015), (20, 365612), (26, 281240), (40, 182806), (52, 140620), (65, 112496), (79, 92560), (80, 91403), (89, 82160), (104, 70310), (130, 56248), (158, 46280), (178, 41080), (208, 35155), (260, 28124), (316, 23140), (356, 20540), (395, 18512), (445, 16432), (520, 14062), (632, 11570), (712, 10270), (790, 9256), (890, 8216), (1027, 7120), (1040, 7031), (1157, 6320), (1264, 5785), (1424, 5135), (1580, 4628), (1780, 4108), (2054, 3560), (2314, 3160)]