81547620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{929}}^1$

素因数の和:978

約数の個数: 192

約数和(自身を含む): 299980800

約数和(自身を除く): 218433180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 19, 20, 21, 22, 28, 30, 33, 35, 38, 42, 44, 55, 57, 60, 66, 70, 76, 77, 84, 95, 105, 110, 114, 132, 133, 140, 154, 165, 190, 209, 210, 220, 228, 231, 266, 285, 308, 330, 380, 385, 399, 418, 420, 462, 532, 570, 627, 660, 665, 770, 798, 836, 924, 929, 1045, 1140, 1155, 1254, 1330, 1463, 1540, 1596, 1858, 1995, 2090, 2310, 2508, 2660, 2787, 2926, 3135, 3716, 3990, 4180, 4389, 4620, 4645, 5574, 5852, 6270, 6503, 7315, 7980, 8778, 9290, 10219, 11148, 12540, 13006, 13935, 14630, 17556, 17651, 18580, 19509, 20438, 21945, 26012, 27870, 29260, 30657, 32515, 35302, 39018, 40876, 43890, 51095, 52953, 55740, 61314, 65030, 70604, 71533, 78036, 87780, 88255, 97545, 102190, 105906, 122628, 123557, 130060, 143066, 153285, 176510, 194161, 195090, 204380, 211812, 214599, 247114, 264765, 286132, 306570, 353020, 357665, 370671, 388322, 390180, 429198, 494228, 529530, 582483, 613140, 617785, 715330, 741342, 776644, 858396, 970805, 1059060, 1072995, 1164966, 1235570, 1359127, 1430660, 1482684, 1853355, 1941610, 2145990, 2329932, 2471140, 2718254, 2912415, 3706710, 3883220, 4077381, 4291980, 5436508, 5824830, 6795635, 7413420, 8154762, 11649660, 13591270, 16309524, 20386905, 27182540, 40773810, 81547620]

約数ペア:

[(1, 81547620), (2, 40773810), (3, 27182540), (4, 20386905), (5, 16309524), (6, 13591270), (7, 11649660), (10, 8154762), (11, 7413420), (12, 6795635), (14, 5824830), (15, 5436508), (19, 4291980), (20, 4077381), (21, 3883220), (22, 3706710), (28, 2912415), (30, 2718254), (33, 2471140), (35, 2329932), (38, 2145990), (42, 1941610), (44, 1853355), (55, 1482684), (57, 1430660), (60, 1359127), (66, 1235570), (70, 1164966), (76, 1072995), (77, 1059060), (84, 970805), (95, 858396), (105, 776644), (110, 741342), (114, 715330), (132, 617785), (133, 613140), (140, 582483), (154, 529530), (165, 494228), (190, 429198), (209, 390180), (210, 388322), (220, 370671), (228, 357665), (231, 353020), (266, 306570), (285, 286132), (308, 264765), (330, 247114), (380, 214599), (385, 211812), (399, 204380), (418, 195090), (420, 194161), (462, 176510), (532, 153285), (570, 143066), (627, 130060), (660, 123557), (665, 122628), (770, 105906), (798, 102190), (836, 97545), (924, 88255), (929, 87780), (1045, 78036), (1140, 71533), (1155, 70604), (1254, 65030), (1330, 61314), (1463, 55740), (1540, 52953), (1596, 51095), (1858, 43890), (1995, 40876), (2090, 39018), (2310, 35302), (2508, 32515), (2660, 30657), (2787, 29260), (2926, 27870), (3135, 26012), (3716, 21945), (3990, 20438), (4180, 19509), (4389, 18580), (4620, 17651), (4645, 17556), (5574, 14630), (5852, 13935), (6270, 13006), (6503, 12540), (7315, 11148), (7980, 10219), (8778, 9290)]