31256280

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{877}}^1$

素因数の和:911

約数の個数: 160

約数和(自身を含む): 114737040

約数和(自身を除く): 83480760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 81, 88, 90, 99, 108, 110, 120, 132, 135, 162, 165, 180, 198, 216, 220, 264, 270, 297, 324, 330, 360, 396, 405, 440, 495, 540, 594, 648, 660, 792, 810, 877, 891, 990, 1080, 1188, 1320, 1485, 1620, 1754, 1782, 1980, 2376, 2631, 2970, 3240, 3508, 3564, 3960, 4385, 4455, 5262, 5940, 7016, 7128, 7893, 8770, 8910, 9647, 10524, 11880, 13155, 15786, 17540, 17820, 19294, 21048, 23679, 26310, 28941, 31572, 35080, 35640, 38588, 39465, 47358, 48235, 52620, 57882, 63144, 71037, 77176, 78930, 86823, 94716, 96470, 105240, 115764, 118395, 142074, 144705, 157860, 173646, 189432, 192940, 231528, 236790, 260469, 284148, 289410, 315720, 347292, 355185, 385880, 434115, 473580, 520938, 568296, 578820, 694584, 710370, 781407, 868230, 947160, 1041876, 1157640, 1302345, 1420740, 1562814, 1736460, 2083752, 2604690, 2841480, 3125628, 3472920, 3907035, 5209380, 6251256, 7814070, 10418760, 15628140, 31256280]

約数ペア:

[(1, 31256280), (2, 15628140), (3, 10418760), (4, 7814070), (5, 6251256), (6, 5209380), (8, 3907035), (9, 3472920), (10, 3125628), (11, 2841480), (12, 2604690), (15, 2083752), (18, 1736460), (20, 1562814), (22, 1420740), (24, 1302345), (27, 1157640), (30, 1041876), (33, 947160), (36, 868230), (40, 781407), (44, 710370), (45, 694584), (54, 578820), (55, 568296), (60, 520938), (66, 473580), (72, 434115), (81, 385880), (88, 355185), (90, 347292), (99, 315720), (108, 289410), (110, 284148), (120, 260469), (132, 236790), (135, 231528), (162, 192940), (165, 189432), (180, 173646), (198, 157860), (216, 144705), (220, 142074), (264, 118395), (270, 115764), (297, 105240), (324, 96470), (330, 94716), (360, 86823), (396, 78930), (405, 77176), (440, 71037), (495, 63144), (540, 57882), (594, 52620), (648, 48235), (660, 47358), (792, 39465), (810, 38588), (877, 35640), (891, 35080), (990, 31572), (1080, 28941), (1188, 26310), (1320, 23679), (1485, 21048), (1620, 19294), (1754, 17820), (1782, 17540), (1980, 15786), (2376, 13155), (2631, 11880), (2970, 10524), (3240, 9647), (3508, 8910), (3564, 8770), (3960, 7893), (4385, 7128), (4455, 7016), (5262, 5940)]