61456890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:196

約数の個数: 128

約数和(自身を含む): 169703424

約数和(自身を除く): 108246534

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 43, 55, 61, 66, 71, 86, 110, 122, 129, 142, 165, 183, 213, 215, 258, 305, 330, 355, 366, 426, 430, 473, 610, 645, 671, 710, 781, 915, 946, 1065, 1290, 1342, 1419, 1562, 1830, 2013, 2130, 2343, 2365, 2623, 2838, 3053, 3355, 3905, 4026, 4331, 4686, 4730, 5246, 6106, 6710, 7095, 7810, 7869, 8662, 9159, 10065, 11715, 12993, 13115, 14190, 15265, 15738, 18318, 20130, 21655, 23430, 25986, 26230, 28853, 30530, 33583, 39345, 43310, 45795, 47641, 57706, 64965, 67166, 78690, 86559, 91590, 95282, 100749, 129930, 142923, 144265, 167915, 173118, 186233, 201498, 238205, 285846, 288530, 335830, 372466, 432795, 476410, 503745, 558699, 714615, 865590, 931165, 1007490, 1117398, 1429230, 1862330, 2048563, 2793495, 4097126, 5586990, 6145689, 10242815, 12291378, 20485630, 30728445, 61456890]

約数ペア:

[(1, 61456890), (2, 30728445), (3, 20485630), (5, 12291378), (6, 10242815), (10, 6145689), (11, 5586990), (15, 4097126), (22, 2793495), (30, 2048563), (33, 1862330), (43, 1429230), (55, 1117398), (61, 1007490), (66, 931165), (71, 865590), (86, 714615), (110, 558699), (122, 503745), (129, 476410), (142, 432795), (165, 372466), (183, 335830), (213, 288530), (215, 285846), (258, 238205), (305, 201498), (330, 186233), (355, 173118), (366, 167915), (426, 144265), (430, 142923), (473, 129930), (610, 100749), (645, 95282), (671, 91590), (710, 86559), (781, 78690), (915, 67166), (946, 64965), (1065, 57706), (1290, 47641), (1342, 45795), (1419, 43310), (1562, 39345), (1830, 33583), (2013, 30530), (2130, 28853), (2343, 26230), (2365, 25986), (2623, 23430), (2838, 21655), (3053, 20130), (3355, 18318), (3905, 15738), (4026, 15265), (4331, 14190), (4686, 13115), (4730, 12993), (5246, 11715), (6106, 10065), (6710, 9159), (7095, 8662), (7810, 7869)]