180271980

素因数分解:

$2^2\times 3^5\times 5^1\times 7^2\times {\mathrm{757}}^1$

素因数の和:795

約数の個数: 216

約数和(自身を含む): 660533328

約数和(自身を除く): 480261348

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 81, 84, 90, 98, 105, 108, 126, 135, 140, 147, 162, 180, 189, 196, 210, 243, 245, 252, 270, 294, 315, 324, 378, 405, 420, 441, 486, 490, 540, 567, 588, 630, 735, 756, 757, 810, 882, 945, 972, 980, 1134, 1215, 1260, 1323, 1470, 1514, 1620, 1701, 1764, 1890, 2205, 2268, 2271, 2430, 2646, 2835, 2940, 3028, 3402, 3780, 3785, 3969, 4410, 4542, 4860, 5292, 5299, 5670, 6615, 6804, 6813, 7570, 7938, 8505, 8820, 9084, 10598, 11340, 11355, 11907, 13230, 13626, 15140, 15876, 15897, 17010, 19845, 20439, 21196, 22710, 23814, 26460, 26495, 27252, 31794, 34020, 34065, 37093, 39690, 40878, 45420, 47628, 47691, 52990, 59535, 61317, 63588, 68130, 74186, 79380, 79485, 81756, 95382, 102195, 105980, 111279, 119070, 122634, 136260, 143073, 148372, 158970, 183951, 185465, 190764, 204390, 222558, 238140, 238455, 245268, 286146, 306585, 317940, 333837, 367902, 370930, 408780, 429219, 445116, 476910, 556395, 572292, 613170, 667674, 715365, 735804, 741860, 858438, 919755, 953820, 1001511, 1112790, 1226340, 1287657, 1335348, 1430730, 1669185, 1716876, 1839510, 2003022, 2146095, 2225580, 2575314, 2861460, 3004533, 3338370, 3679020, 4006044, 4292190, 5007555, 5150628, 6009066, 6438285, 6676740, 8584380, 9013599, 10015110, 12018132, 12876570, 15022665, 18027198, 20030220, 25753140, 30045330, 36054396, 45067995, 60090660, 90135990, 180271980]

約数ペア:

[(1, 180271980), (2, 90135990), (3, 60090660), (4, 45067995), (5, 36054396), (6, 30045330), (7, 25753140), (9, 20030220), (10, 18027198), (12, 15022665), (14, 12876570), (15, 12018132), (18, 10015110), (20, 9013599), (21, 8584380), (27, 6676740), (28, 6438285), (30, 6009066), (35, 5150628), (36, 5007555), (42, 4292190), (45, 4006044), (49, 3679020), (54, 3338370), (60, 3004533), (63, 2861460), (70, 2575314), (81, 2225580), (84, 2146095), (90, 2003022), (98, 1839510), (105, 1716876), (108, 1669185), (126, 1430730), (135, 1335348), (140, 1287657), (147, 1226340), (162, 1112790), (180, 1001511), (189, 953820), (196, 919755), (210, 858438), (243, 741860), (245, 735804), (252, 715365), (270, 667674), (294, 613170), (315, 572292), (324, 556395), (378, 476910), (405, 445116), (420, 429219), (441, 408780), (486, 370930), (490, 367902), (540, 333837), (567, 317940), (588, 306585), (630, 286146), (735, 245268), (756, 238455), (757, 238140), (810, 222558), (882, 204390), (945, 190764), (972, 185465), (980, 183951), (1134, 158970), (1215, 148372), (1260, 143073), (1323, 136260), (1470, 122634), (1514, 119070), (1620, 111279), (1701, 105980), (1764, 102195), (1890, 95382), (2205, 81756), (2268, 79485), (2271, 79380), (2430, 74186), (2646, 68130), (2835, 63588), (2940, 61317), (3028, 59535), (3402, 52990), (3780, 47691), (3785, 47628), (3969, 45420), (4410, 40878), (4542, 39690), (4860, 37093), (5292, 34065), (5299, 34020), (5670, 31794), (6615, 27252), (6804, 26495), (6813, 26460), (7570, 23814), (7938, 22710), (8505, 21196), (8820, 20439), (9084, 19845), (10598, 17010), (11340, 15897), (11355, 15876), (11907, 15140), (13230, 13626)]