61815208

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:195

約数の個数: 128

約数和(自身を含む): 155232000

約数和(自身を除く): 93416792

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 41, 52, 56, 76, 82, 91, 104, 109, 133, 152, 164, 182, 218, 247, 266, 287, 328, 364, 436, 494, 532, 533, 574, 728, 763, 779, 872, 988, 1064, 1066, 1148, 1417, 1526, 1558, 1729, 1976, 2071, 2132, 2296, 2834, 3052, 3116, 3458, 3731, 4142, 4264, 4469, 5453, 5668, 6104, 6232, 6916, 7462, 8284, 8938, 9919, 10127, 10906, 11336, 13832, 14497, 14924, 16568, 17876, 19838, 20254, 21812, 26923, 28994, 29848, 31283, 35752, 39676, 40508, 43624, 53846, 57988, 58097, 62566, 70889, 79352, 81016, 84911, 107692, 115976, 116194, 125132, 141778, 169822, 188461, 215384, 232388, 250264, 283556, 339644, 376922, 406679, 464776, 567112, 594377, 679288, 753844, 813358, 1103843, 1188754, 1507688, 1626716, 2207686, 2377508, 3253432, 4415372, 4755016, 7726901, 8830744, 15453802, 30907604, 61815208]

約数ペア:

[(1, 61815208), (2, 30907604), (4, 15453802), (7, 8830744), (8, 7726901), (13, 4755016), (14, 4415372), (19, 3253432), (26, 2377508), (28, 2207686), (38, 1626716), (41, 1507688), (52, 1188754), (56, 1103843), (76, 813358), (82, 753844), (91, 679288), (104, 594377), (109, 567112), (133, 464776), (152, 406679), (164, 376922), (182, 339644), (218, 283556), (247, 250264), (266, 232388), (287, 215384), (328, 188461), (364, 169822), (436, 141778), (494, 125132), (532, 116194), (533, 115976), (574, 107692), (728, 84911), (763, 81016), (779, 79352), (872, 70889), (988, 62566), (1064, 58097), (1066, 57988), (1148, 53846), (1417, 43624), (1526, 40508), (1558, 39676), (1729, 35752), (1976, 31283), (2071, 29848), (2132, 28994), (2296, 26923), (2834, 21812), (3052, 20254), (3116, 19838), (3458, 17876), (3731, 16568), (4142, 14924), (4264, 14497), (4469, 13832), (5453, 11336), (5668, 10906), (6104, 10127), (6232, 9919), (6916, 8938), (7462, 8284)]