20855528040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1\times {\mathrm{349}}^1$

素因数の和:756

約数の個数: 256

約数和(自身を含む): 66151008000

約数和(自身を除く): 45295479960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 43, 60, 74, 86, 111, 120, 129, 148, 172, 185, 215, 222, 258, 296, 313, 344, 349, 370, 430, 444, 516, 555, 626, 645, 698, 740, 860, 888, 939, 1032, 1047, 1110, 1252, 1290, 1396, 1480, 1565, 1591, 1720, 1745, 1878, 2094, 2220, 2504, 2580, 2792, 3130, 3182, 3490, 3756, 4188, 4440, 4695, 4773, 5160, 5235, 6260, 6364, 6980, 7512, 7955, 8376, 9390, 9546, 10470, 11581, 12520, 12728, 12913, 13459, 13960, 15007, 15910, 18780, 19092, 20940, 23162, 23865, 25826, 26918, 30014, 31820, 34743, 37560, 38184, 38739, 40377, 41880, 45021, 46324, 47730, 51652, 53836, 57905, 60028, 63640, 64565, 67295, 69486, 75035, 77478, 80754, 90042, 92648, 95460, 103304, 107672, 109237, 115810, 120056, 129130, 134590, 138972, 150070, 154956, 161508, 173715, 180084, 190920, 193695, 201885, 218474, 225105, 231620, 258260, 269180, 277944, 300140, 309912, 323016, 327711, 347430, 360168, 387390, 403770, 436948, 450210, 463240, 497983, 516520, 538360, 546185, 555259, 600280, 655422, 694860, 774780, 807540, 873896, 900420, 995966, 1092370, 1110518, 1310844, 1389720, 1493949, 1549560, 1615080, 1638555, 1665777, 1800840, 1991932, 2184740, 2221036, 2489915, 2621688, 2776295, 2987898, 3277110, 3331554, 3983864, 4041769, 4369480, 4442072, 4697191, 4979830, 5552590, 5975796, 6554220, 6663108, 7469745, 8083538, 8328885, 9394382, 9959660, 11105180, 11951592, 12125307, 13108440, 13326216, 14091573, 14939490, 16167076, 16657770, 18788764, 19919320, 20208845, 22210360, 23485955, 24250614, 28183146, 29878980, 32334152, 33315540, 37577528, 40417690, 46971910, 48501228, 56366292, 59757960, 60626535, 66631080, 70457865, 80835380, 93943820, 97002456, 112732584, 121253070, 140915730, 161670760, 173796067, 187887640, 242506140, 281831460, 347592134, 485012280, 521388201, 563662920, 695184268, 868980335, 1042776402, 1390368536, 1737960670, 2085552804, 2606941005, 3475921340, 4171105608, 5213882010, 6951842680, 10427764020, 20855528040]

約数ペア:

[(1, 20855528040), (2, 10427764020), (3, 6951842680), (4, 5213882010), (5, 4171105608), (6, 3475921340), (8, 2606941005), (10, 2085552804), (12, 1737960670), (15, 1390368536), (20, 1042776402), (24, 868980335), (30, 695184268), (37, 563662920), (40, 521388201), (43, 485012280), (60, 347592134), (74, 281831460), (86, 242506140), (111, 187887640), (120, 173796067), (129, 161670760), (148, 140915730), (172, 121253070), (185, 112732584), (215, 97002456), (222, 93943820), (258, 80835380), (296, 70457865), (313, 66631080), (344, 60626535), (349, 59757960), (370, 56366292), (430, 48501228), (444, 46971910), (516, 40417690), (555, 37577528), (626, 33315540), (645, 32334152), (698, 29878980), (740, 28183146), (860, 24250614), (888, 23485955), (939, 22210360), (1032, 20208845), (1047, 19919320), (1110, 18788764), (1252, 16657770), (1290, 16167076), (1396, 14939490), (1480, 14091573), (1565, 13326216), (1591, 13108440), (1720, 12125307), (1745, 11951592), (1878, 11105180), (2094, 9959660), (2220, 9394382), (2504, 8328885), (2580, 8083538), (2792, 7469745), (3130, 6663108), (3182, 6554220), (3490, 5975796), (3756, 5552590), (4188, 4979830), (4440, 4697191), (4695, 4442072), (4773, 4369480), (5160, 4041769), (5235, 3983864), (6260, 3331554), (6364, 3277110), (6980, 2987898), (7512, 2776295), (7955, 2621688), (8376, 2489915), (9390, 2221036), (9546, 2184740), (10470, 1991932), (11581, 1800840), (12520, 1665777), (12728, 1638555), (12913, 1615080), (13459, 1549560), (13960, 1493949), (15007, 1389720), (15910, 1310844), (18780, 1110518), (19092, 1092370), (20940, 995966), (23162, 900420), (23865, 873896), (25826, 807540), (26918, 774780), (30014, 694860), (31820, 655422), (34743, 600280), (37560, 555259), (38184, 546185), (38739, 538360), (40377, 516520), (41880, 497983), (45021, 463240), (46324, 450210), (47730, 436948), (51652, 403770), (53836, 387390), (57905, 360168), (60028, 347430), (63640, 327711), (64565, 323016), (67295, 309912), (69486, 300140), (75035, 277944), (77478, 269180), (80754, 258260), (90042, 231620), (92648, 225105), (95460, 218474), (103304, 201885), (107672, 193695), (109237, 190920), (115810, 180084), (120056, 173715), (129130, 161508), (134590, 154956), (138972, 150070)]