54838980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{613}}^1$

素因数の和:706

約数の個数: 144

約数和(自身を含む): 193100544

約数和(自身を除く): 138261564

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 71, 84, 90, 105, 126, 140, 142, 180, 210, 213, 252, 284, 315, 355, 420, 426, 497, 613, 630, 639, 710, 852, 994, 1065, 1226, 1260, 1278, 1420, 1491, 1839, 1988, 2130, 2452, 2485, 2556, 2982, 3065, 3195, 3678, 4260, 4291, 4473, 4970, 5517, 5964, 6130, 6390, 7356, 7455, 8582, 8946, 9195, 9940, 11034, 12260, 12780, 12873, 14910, 17164, 17892, 18390, 21455, 22068, 22365, 25746, 27585, 29820, 36780, 38619, 42910, 43523, 44730, 51492, 55170, 64365, 77238, 85820, 87046, 89460, 110340, 128730, 130569, 154476, 174092, 193095, 217615, 257460, 261138, 304661, 386190, 391707, 435230, 522276, 609322, 652845, 772380, 783414, 870460, 913983, 1218644, 1305690, 1523305, 1566828, 1827966, 1958535, 2611380, 2741949, 3046610, 3655932, 3917070, 4569915, 5483898, 6093220, 7834140, 9139830, 10967796, 13709745, 18279660, 27419490, 54838980]

約数ペア:

[(1, 54838980), (2, 27419490), (3, 18279660), (4, 13709745), (5, 10967796), (6, 9139830), (7, 7834140), (9, 6093220), (10, 5483898), (12, 4569915), (14, 3917070), (15, 3655932), (18, 3046610), (20, 2741949), (21, 2611380), (28, 1958535), (30, 1827966), (35, 1566828), (36, 1523305), (42, 1305690), (45, 1218644), (60, 913983), (63, 870460), (70, 783414), (71, 772380), (84, 652845), (90, 609322), (105, 522276), (126, 435230), (140, 391707), (142, 386190), (180, 304661), (210, 261138), (213, 257460), (252, 217615), (284, 193095), (315, 174092), (355, 154476), (420, 130569), (426, 128730), (497, 110340), (613, 89460), (630, 87046), (639, 85820), (710, 77238), (852, 64365), (994, 55170), (1065, 51492), (1226, 44730), (1260, 43523), (1278, 42910), (1420, 38619), (1491, 36780), (1839, 29820), (1988, 27585), (2130, 25746), (2452, 22365), (2485, 22068), (2556, 21455), (2982, 18390), (3065, 17892), (3195, 17164), (3678, 14910), (4260, 12873), (4291, 12780), (4473, 12260), (4970, 11034), (5517, 9940), (5964, 9195), (6130, 8946), (6390, 8582), (7356, 7455)]