77203980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{863}}^1$

素因数の和:956

約数の個数: 144

約数和(自身を含む): 271724544

約数和(自身を除く): 194520564

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, 630, 639, 710, 852, 863, 994, 1065, 1260, 1278, 1420, 1491, 1726, 1988, 2130, 2485, 2556, 2589, 2982, 3195, 3452, 4260, 4315, 4473, 4970, 5178, 5964, 6041, 6390, 7455, 7767, 8630, 8946, 9940, 10356, 12082, 12780, 12945, 14910, 15534, 17260, 17892, 18123, 22365, 24164, 25890, 29820, 30205, 31068, 36246, 38835, 44730, 51780, 54369, 60410, 61273, 72492, 77670, 89460, 90615, 108738, 120820, 122546, 155340, 181230, 183819, 217476, 245092, 271845, 306365, 362460, 367638, 428911, 543690, 551457, 612730, 735276, 857822, 919095, 1087380, 1102914, 1225460, 1286733, 1715644, 1838190, 2144555, 2205828, 2573466, 2757285, 3676380, 3860199, 4289110, 5146932, 5514570, 6433665, 7720398, 8578220, 11029140, 12867330, 15440796, 19300995, 25734660, 38601990, 77203980]

約数ペア:

[(1, 77203980), (2, 38601990), (3, 25734660), (4, 19300995), (5, 15440796), (6, 12867330), (7, 11029140), (9, 8578220), (10, 7720398), (12, 6433665), (14, 5514570), (15, 5146932), (18, 4289110), (20, 3860199), (21, 3676380), (28, 2757285), (30, 2573466), (35, 2205828), (36, 2144555), (42, 1838190), (45, 1715644), (60, 1286733), (63, 1225460), (70, 1102914), (71, 1087380), (84, 919095), (90, 857822), (105, 735276), (126, 612730), (140, 551457), (142, 543690), (180, 428911), (210, 367638), (213, 362460), (252, 306365), (284, 271845), (315, 245092), (355, 217476), (420, 183819), (426, 181230), (497, 155340), (630, 122546), (639, 120820), (710, 108738), (852, 90615), (863, 89460), (994, 77670), (1065, 72492), (1260, 61273), (1278, 60410), (1420, 54369), (1491, 51780), (1726, 44730), (1988, 38835), (2130, 36246), (2485, 31068), (2556, 30205), (2589, 29820), (2982, 25890), (3195, 24164), (3452, 22365), (4260, 18123), (4315, 17892), (4473, 17260), (4970, 15534), (5178, 14910), (5964, 12945), (6041, 12780), (6390, 12082), (7455, 10356), (7767, 9940), (8630, 8946)]