1528261720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:373

約数の個数: 128

約数和(自身を含む): 3656664000

約数和(自身を除く): 2128402280

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 89, 113, 116, 131, 145, 178, 226, 232, 262, 290, 356, 445, 452, 524, 565, 580, 655, 712, 890, 904, 1048, 1130, 1160, 1310, 1780, 2260, 2581, 2620, 3277, 3560, 3799, 4520, 5162, 5240, 6554, 7598, 10057, 10324, 11659, 12905, 13108, 14803, 15196, 16385, 18995, 20114, 20648, 23318, 25810, 26216, 29606, 30392, 32770, 37990, 40228, 46636, 50285, 51620, 58295, 59212, 65540, 74015, 75980, 80456, 93272, 100570, 103240, 116590, 118424, 131080, 148030, 151960, 201140, 233180, 291653, 296060, 338111, 402280, 429287, 466360, 583306, 592120, 676222, 858574, 1166612, 1317467, 1352444, 1458265, 1690555, 1717148, 2146435, 2333224, 2634934, 2704888, 2916530, 3381110, 3434296, 4292870, 5269868, 5833060, 6587335, 6762220, 8585740, 10539736, 11666120, 13174670, 13524440, 17171480, 26349340, 38206543, 52698680, 76413086, 152826172, 191032715, 305652344, 382065430, 764130860, 1528261720]

約数ペア:

[(1, 1528261720), (2, 764130860), (4, 382065430), (5, 305652344), (8, 191032715), (10, 152826172), (20, 76413086), (29, 52698680), (40, 38206543), (58, 26349340), (89, 17171480), (113, 13524440), (116, 13174670), (131, 11666120), (145, 10539736), (178, 8585740), (226, 6762220), (232, 6587335), (262, 5833060), (290, 5269868), (356, 4292870), (445, 3434296), (452, 3381110), (524, 2916530), (565, 2704888), (580, 2634934), (655, 2333224), (712, 2146435), (890, 1717148), (904, 1690555), (1048, 1458265), (1130, 1352444), (1160, 1317467), (1310, 1166612), (1780, 858574), (2260, 676222), (2581, 592120), (2620, 583306), (3277, 466360), (3560, 429287), (3799, 402280), (4520, 338111), (5162, 296060), (5240, 291653), (6554, 233180), (7598, 201140), (10057, 151960), (10324, 148030), (11659, 131080), (12905, 118424), (13108, 116590), (14803, 103240), (15196, 100570), (16385, 93272), (18995, 80456), (20114, 75980), (20648, 74015), (23318, 65540), (25810, 59212), (26216, 58295), (29606, 51620), (30392, 50285), (32770, 46636), (37990, 40228)]