248731560

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{997}}^1$

素因数の和:1038

約数の個数: 320

約数和(自身を含む): 1043349120

約数和(自身を除く): 794617560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 27, 28, 30, 33, 35, 36, 40, 42, 44, 45, 54, 55, 56, 60, 63, 66, 70, 72, 77, 81, 84, 88, 90, 99, 105, 108, 110, 120, 126, 132, 135, 140, 154, 162, 165, 168, 180, 189, 198, 210, 216, 220, 231, 252, 264, 270, 280, 297, 308, 315, 324, 330, 360, 378, 385, 396, 405, 420, 440, 462, 495, 504, 540, 567, 594, 616, 630, 648, 660, 693, 756, 770, 792, 810, 840, 891, 924, 945, 990, 997, 1080, 1134, 1155, 1188, 1260, 1320, 1386, 1485, 1512, 1540, 1620, 1782, 1848, 1890, 1980, 1994, 2079, 2268, 2310, 2376, 2520, 2772, 2835, 2970, 2991, 3080, 3240, 3465, 3564, 3780, 3960, 3988, 4158, 4455, 4536, 4620, 4985, 5544, 5670, 5940, 5982, 6237, 6930, 6979, 7128, 7560, 7976, 8316, 8910, 8973, 9240, 9970, 10395, 10967, 11340, 11880, 11964, 12474, 13860, 13958, 14955, 16632, 17820, 17946, 19940, 20790, 20937, 21934, 22680, 23928, 24948, 26919, 27720, 27916, 29910, 31185, 32901, 34895, 35640, 35892, 39880, 41580, 41874, 43868, 44865, 49896, 53838, 54835, 55832, 59820, 62370, 62811, 65802, 69790, 71784, 76769, 80757, 83160, 83748, 87736, 89730, 98703, 104685, 107676, 109670, 119640, 124740, 125622, 131604, 134595, 139580, 153538, 161514, 164505, 167496, 179460, 188433, 197406, 209370, 215352, 219340, 230307, 249480, 251244, 263208, 269190, 279160, 296109, 307076, 314055, 323028, 329010, 358920, 376866, 383845, 394812, 403785, 418740, 438680, 460614, 493515, 502488, 538380, 565299, 592218, 614152, 628110, 646056, 658020, 690921, 753732, 767690, 789624, 807570, 837480, 888327, 921228, 942165, 987030, 1076760, 1130598, 1151535, 1184436, 1256220, 1316040, 1381842, 1480545, 1507464, 1535380, 1615140, 1776654, 1842456, 1884330, 1974060, 2072763, 2261196, 2303070, 2368872, 2512440, 2763684, 2826495, 2961090, 3070760, 3230280, 3454605, 3553308, 3768660, 3948120, 4145526, 4441635, 4522392, 4606140, 5527368, 5652990, 5922180, 6218289, 6909210, 7106616, 7537320, 8291052, 8883270, 9212280, 10363815, 11305980, 11844360, 12436578, 13818420, 16582104, 17766540, 20727630, 22611960, 24873156, 27636840, 31091445, 35533080, 41455260, 49746312, 62182890, 82910520, 124365780, 248731560]

約数ペア:

[(1, 248731560), (2, 124365780), (3, 82910520), (4, 62182890), (5, 49746312), (6, 41455260), (7, 35533080), (8, 31091445), (9, 27636840), (10, 24873156), (11, 22611960), (12, 20727630), (14, 17766540), (15, 16582104), (18, 13818420), (20, 12436578), (21, 11844360), (22, 11305980), (24, 10363815), (27, 9212280), (28, 8883270), (30, 8291052), (33, 7537320), (35, 7106616), (36, 6909210), (40, 6218289), (42, 5922180), (44, 5652990), (45, 5527368), (54, 4606140), (55, 4522392), (56, 4441635), (60, 4145526), (63, 3948120), (66, 3768660), (70, 3553308), (72, 3454605), (77, 3230280), (81, 3070760), (84, 2961090), (88, 2826495), (90, 2763684), (99, 2512440), (105, 2368872), (108, 2303070), (110, 2261196), (120, 2072763), (126, 1974060), (132, 1884330), (135, 1842456), (140, 1776654), (154, 1615140), (162, 1535380), (165, 1507464), (168, 1480545), (180, 1381842), (189, 1316040), (198, 1256220), (210, 1184436), (216, 1151535), (220, 1130598), (231, 1076760), (252, 987030), (264, 942165), (270, 921228), (280, 888327), (297, 837480), (308, 807570), (315, 789624), (324, 767690), (330, 753732), (360, 690921), (378, 658020), (385, 646056), (396, 628110), (405, 614152), (420, 592218), (440, 565299), (462, 538380), (495, 502488), (504, 493515), (540, 460614), (567, 438680), (594, 418740), (616, 403785), (630, 394812), (648, 383845), (660, 376866), (693, 358920), (756, 329010), (770, 323028), (792, 314055), (810, 307076), (840, 296109), (891, 279160), (924, 269190), (945, 263208), (990, 251244), (997, 249480), (1080, 230307), (1134, 219340), (1155, 215352), (1188, 209370), (1260, 197406), (1320, 188433), (1386, 179460), (1485, 167496), (1512, 164505), (1540, 161514), (1620, 153538), (1782, 139580), (1848, 134595), (1890, 131604), (1980, 125622), (1994, 124740), (2079, 119640), (2268, 109670), (2310, 107676), (2376, 104685), (2520, 98703), (2772, 89730), (2835, 87736), (2970, 83748), (2991, 83160), (3080, 80757), (3240, 76769), (3465, 71784), (3564, 69790), (3780, 65802), (3960, 62811), (3988, 62370), (4158, 59820), (4455, 55832), (4536, 54835), (4620, 53838), (4985, 49896), (5544, 44865), (5670, 43868), (5940, 41874), (5982, 41580), (6237, 39880), (6930, 35892), (6979, 35640), (7128, 34895), (7560, 32901), (7976, 31185), (8316, 29910), (8910, 27916), (8973, 27720), (9240, 26919), (9970, 24948), (10395, 23928), (10967, 22680), (11340, 21934), (11880, 20937), (11964, 20790), (12474, 19940), (13860, 17946), (13958, 17820), (14955, 16632)]