171222660

素因数分解:

$2^2\times 3^5\times 5^1\times 7^2\times {\mathrm{719}}^1$

素因数の和:757

約数の個数: 216

約数和(自身を含む): 627419520

約数和(自身を除く): 456196860

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, 719, 735, 756, 810, 882, 945, 972, 980, 1134, 1215, 1260, 1323, 1438, 1470, 1620, 1701, 1764, 1890, 2157, 2205, 2268, 2430, 2646, 2835, 2876, 2940, 3402, 3595, 3780, 3969, 4314, 4410, 4860, 5033, 5292, 5670, 6471, 6615, 6804, 7190, 7938, 8505, 8628, 8820, 10066, 10785, 11340, 11907, 12942, 13230, 14380, 15099, 15876, 17010, 19413, 19845, 20132, 21570, 23814, 25165, 25884, 26460, 30198, 32355, 34020, 35231, 38826, 39690, 43140, 45297, 47628, 50330, 58239, 59535, 60396, 64710, 70462, 75495, 77652, 79380, 90594, 97065, 100660, 105693, 116478, 119070, 129420, 135891, 140924, 150990, 174717, 176155, 181188, 194130, 211386, 226485, 232956, 238140, 271782, 291195, 301980, 317079, 349434, 352310, 388260, 407673, 422772, 452970, 528465, 543564, 582390, 634158, 679455, 698868, 704620, 815346, 873585, 905940, 951237, 1056930, 1164780, 1223019, 1268316, 1358910, 1585395, 1630692, 1747170, 1902474, 2038365, 2113860, 2446038, 2717820, 2853711, 3170790, 3494340, 3804948, 4076730, 4756185, 4892076, 5707422, 6115095, 6341580, 8153460, 8561133, 9512370, 11414844, 12230190, 14268555, 17122266, 19024740, 24460380, 28537110, 34244532, 42805665, 57074220, 85611330, 171222660]

約数ペア:

[(1, 171222660), (2, 85611330), (3, 57074220), (4, 42805665), (5, 34244532), (6, 28537110), (7, 24460380), (9, 19024740), (10, 17122266), (12, 14268555), (14, 12230190), (15, 11414844), (18, 9512370), (20, 8561133), (21, 8153460), (27, 6341580), (28, 6115095), (30, 5707422), (35, 4892076), (36, 4756185), (42, 4076730), (45, 3804948), (49, 3494340), (54, 3170790), (60, 2853711), (63, 2717820), (70, 2446038), (81, 2113860), (84, 2038365), (90, 1902474), (98, 1747170), (105, 1630692), (108, 1585395), (126, 1358910), (135, 1268316), (140, 1223019), (147, 1164780), (162, 1056930), (180, 951237), (189, 905940), (196, 873585), (210, 815346), (243, 704620), (245, 698868), (252, 679455), (270, 634158), (294, 582390), (315, 543564), (324, 528465), (378, 452970), (405, 422772), (420, 407673), (441, 388260), (486, 352310), (490, 349434), (540, 317079), (567, 301980), (588, 291195), (630, 271782), (719, 238140), (735, 232956), (756, 226485), (810, 211386), (882, 194130), (945, 181188), (972, 176155), (980, 174717), (1134, 150990), (1215, 140924), (1260, 135891), (1323, 129420), (1438, 119070), (1470, 116478), (1620, 105693), (1701, 100660), (1764, 97065), (1890, 90594), (2157, 79380), (2205, 77652), (2268, 75495), (2430, 70462), (2646, 64710), (2835, 60396), (2876, 59535), (2940, 58239), (3402, 50330), (3595, 47628), (3780, 45297), (3969, 43140), (4314, 39690), (4410, 38826), (4860, 35231), (5033, 34020), (5292, 32355), (5670, 30198), (6471, 26460), (6615, 25884), (6804, 25165), (7190, 23814), (7938, 21570), (8505, 20132), (8628, 19845), (8820, 19413), (10066, 17010), (10785, 15876), (11340, 15099), (11907, 14380), (12942, 13230)]