64247190

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:258

約数の個数: 128

約数和(自身を含む): 185794560

約数和(自身を除く): 121547370

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 62, 70, 71, 93, 105, 139, 142, 155, 186, 210, 213, 217, 278, 310, 355, 417, 426, 434, 465, 497, 651, 695, 710, 834, 930, 973, 994, 1065, 1085, 1302, 1390, 1491, 1946, 2085, 2130, 2170, 2201, 2485, 2919, 2982, 3255, 4170, 4309, 4402, 4865, 4970, 5838, 6510, 6603, 7455, 8618, 9730, 9869, 11005, 12927, 13206, 14595, 14910, 15407, 19738, 21545, 22010, 25854, 29190, 29607, 30163, 30814, 33015, 43090, 46221, 49345, 59214, 60326, 64635, 66030, 69083, 77035, 90489, 92442, 98690, 129270, 138166, 148035, 150815, 154070, 180978, 207249, 231105, 296070, 301630, 305939, 345415, 414498, 452445, 462210, 611878, 690830, 904890, 917817, 1036245, 1529695, 1835634, 2072490, 2141573, 3059390, 4283146, 4589085, 6424719, 9178170, 10707865, 12849438, 21415730, 32123595, 64247190]

約数ペア:

[(1, 64247190), (2, 32123595), (3, 21415730), (5, 12849438), (6, 10707865), (7, 9178170), (10, 6424719), (14, 4589085), (15, 4283146), (21, 3059390), (30, 2141573), (31, 2072490), (35, 1835634), (42, 1529695), (62, 1036245), (70, 917817), (71, 904890), (93, 690830), (105, 611878), (139, 462210), (142, 452445), (155, 414498), (186, 345415), (210, 305939), (213, 301630), (217, 296070), (278, 231105), (310, 207249), (355, 180978), (417, 154070), (426, 150815), (434, 148035), (465, 138166), (497, 129270), (651, 98690), (695, 92442), (710, 90489), (834, 77035), (930, 69083), (973, 66030), (994, 64635), (1065, 60326), (1085, 59214), (1302, 49345), (1390, 46221), (1491, 43090), (1946, 33015), (2085, 30814), (2130, 30163), (2170, 29607), (2201, 29190), (2485, 25854), (2919, 22010), (2982, 21545), (3255, 19738), (4170, 15407), (4309, 14910), (4402, 14595), (4865, 13206), (4970, 12927), (5838, 11005), (6510, 9869), (6603, 9730), (7455, 8618)]