20171868720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{49123}}^1$

素因数の和:49227

約数の個数: 160

約数和(自身を含む): 65786860800

約数和(自身を除く): 45614992080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 58, 59, 60, 80, 87, 116, 118, 120, 145, 174, 177, 232, 236, 240, 290, 295, 348, 354, 435, 464, 472, 580, 590, 696, 708, 870, 885, 944, 1160, 1180, 1392, 1416, 1711, 1740, 1770, 2320, 2360, 2832, 3422, 3480, 3540, 4720, 5133, 6844, 6960, 7080, 8555, 10266, 13688, 14160, 17110, 20532, 25665, 27376, 34220, 41064, 49123, 51330, 68440, 82128, 98246, 102660, 136880, 147369, 196492, 205320, 245615, 294738, 392984, 410640, 491230, 589476, 736845, 785968, 982460, 1178952, 1424567, 1473690, 1964920, 2357904, 2849134, 2898257, 2947380, 3929840, 4273701, 5698268, 5796514, 5894760, 7122835, 8547402, 8694771, 11396536, 11593028, 11789520, 14245670, 14491285, 17094804, 17389542, 21368505, 22793072, 23186056, 28491340, 28982570, 34189608, 34779084, 42737010, 43473855, 46372112, 56982680, 57965140, 68379216, 69558168, 84049453, 85474020, 86947710, 113965360, 115930280, 139116336, 168098906, 170948040, 173895420, 231860560, 252148359, 336197812, 341896080, 347790840, 420247265, 504296718, 672395624, 695581680, 840494530, 1008593436, 1260741795, 1344791248, 1680989060, 2017186872, 2521483590, 3361978120, 4034373744, 5042967180, 6723956240, 10085934360, 20171868720]

約数ペア:

[(1, 20171868720), (2, 10085934360), (3, 6723956240), (4, 5042967180), (5, 4034373744), (6, 3361978120), (8, 2521483590), (10, 2017186872), (12, 1680989060), (15, 1344791248), (16, 1260741795), (20, 1008593436), (24, 840494530), (29, 695581680), (30, 672395624), (40, 504296718), (48, 420247265), (58, 347790840), (59, 341896080), (60, 336197812), (80, 252148359), (87, 231860560), (116, 173895420), (118, 170948040), (120, 168098906), (145, 139116336), (174, 115930280), (177, 113965360), (232, 86947710), (236, 85474020), (240, 84049453), (290, 69558168), (295, 68379216), (348, 57965140), (354, 56982680), (435, 46372112), (464, 43473855), (472, 42737010), (580, 34779084), (590, 34189608), (696, 28982570), (708, 28491340), (870, 23186056), (885, 22793072), (944, 21368505), (1160, 17389542), (1180, 17094804), (1392, 14491285), (1416, 14245670), (1711, 11789520), (1740, 11593028), (1770, 11396536), (2320, 8694771), (2360, 8547402), (2832, 7122835), (3422, 5894760), (3480, 5796514), (3540, 5698268), (4720, 4273701), (5133, 3929840), (6844, 2947380), (6960, 2898257), (7080, 2849134), (8555, 2357904), (10266, 1964920), (13688, 1473690), (14160, 1424567), (17110, 1178952), (20532, 982460), (25665, 785968), (27376, 736845), (34220, 589476), (41064, 491230), (49123, 410640), (51330, 392984), (68440, 294738), (82128, 245615), (98246, 205320), (102660, 196492), (136880, 147369)]