177900320

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{89}}^1$

素因数の和:179

約数の個数: 144

約数和(自身を含む): 472946040

約数和(自身を除く): 295045720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 89, 104, 124, 130, 155, 160, 178, 208, 248, 260, 310, 356, 403, 416, 445, 496, 520, 620, 712, 806, 890, 961, 992, 1040, 1157, 1240, 1424, 1612, 1780, 1922, 2015, 2080, 2314, 2480, 2759, 2848, 3224, 3560, 3844, 4030, 4628, 4805, 4960, 5518, 5785, 6448, 7120, 7688, 8060, 9256, 9610, 11036, 11570, 12493, 12896, 13795, 14240, 15376, 16120, 18512, 19220, 22072, 23140, 24986, 27590, 30752, 32240, 35867, 37024, 38440, 44144, 46280, 49972, 55180, 62465, 64480, 71734, 76880, 85529, 88288, 92560, 99944, 110360, 124930, 143468, 153760, 171058, 179335, 185120, 199888, 220720, 249860, 286936, 342116, 358670, 399776, 427645, 441440, 499720, 573872, 684232, 717340, 855290, 999440, 1111877, 1147744, 1368464, 1434680, 1710580, 1998880, 2223754, 2736928, 2869360, 3421160, 4447508, 5559385, 5738720, 6842320, 8895016, 11118770, 13684640, 17790032, 22237540, 35580064, 44475080, 88950160, 177900320]

約数ペア:

[(1, 177900320), (2, 88950160), (4, 44475080), (5, 35580064), (8, 22237540), (10, 17790032), (13, 13684640), (16, 11118770), (20, 8895016), (26, 6842320), (31, 5738720), (32, 5559385), (40, 4447508), (52, 3421160), (62, 2869360), (65, 2736928), (80, 2223754), (89, 1998880), (104, 1710580), (124, 1434680), (130, 1368464), (155, 1147744), (160, 1111877), (178, 999440), (208, 855290), (248, 717340), (260, 684232), (310, 573872), (356, 499720), (403, 441440), (416, 427645), (445, 399776), (496, 358670), (520, 342116), (620, 286936), (712, 249860), (806, 220720), (890, 199888), (961, 185120), (992, 179335), (1040, 171058), (1157, 153760), (1240, 143468), (1424, 124930), (1612, 110360), (1780, 99944), (1922, 92560), (2015, 88288), (2080, 85529), (2314, 76880), (2480, 71734), (2759, 64480), (2848, 62465), (3224, 55180), (3560, 49972), (3844, 46280), (4030, 44144), (4628, 38440), (4805, 37024), (4960, 35867), (5518, 32240), (5785, 30752), (6448, 27590), (7120, 24986), (7688, 23140), (8060, 22072), (9256, 19220), (9610, 18512), (11036, 16120), (11570, 15376), (12493, 14240), (12896, 13795)]