64828680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1087}}^1$

素因数の和:1179

約数の個数: 128

約数和(自身を含む): 225607680

約数和(自身を除く): 160779000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 71, 84, 105, 120, 140, 142, 168, 210, 213, 280, 284, 355, 420, 426, 497, 568, 710, 840, 852, 994, 1065, 1087, 1420, 1491, 1704, 1988, 2130, 2174, 2485, 2840, 2982, 3261, 3976, 4260, 4348, 4970, 5435, 5964, 6522, 7455, 7609, 8520, 8696, 9940, 10870, 11928, 13044, 14910, 15218, 16305, 19880, 21740, 22827, 26088, 29820, 30436, 32610, 38045, 43480, 45654, 59640, 60872, 65220, 76090, 77177, 91308, 114135, 130440, 152180, 154354, 182616, 228270, 231531, 304360, 308708, 385885, 456540, 463062, 540239, 617416, 771770, 913080, 926124, 1080478, 1157655, 1543540, 1620717, 1852248, 2160956, 2315310, 2701195, 3087080, 3241434, 4321912, 4630620, 5402390, 6482868, 8103585, 9261240, 10804780, 12965736, 16207170, 21609560, 32414340, 64828680]

約数ペア:

[(1, 64828680), (2, 32414340), (3, 21609560), (4, 16207170), (5, 12965736), (6, 10804780), (7, 9261240), (8, 8103585), (10, 6482868), (12, 5402390), (14, 4630620), (15, 4321912), (20, 3241434), (21, 3087080), (24, 2701195), (28, 2315310), (30, 2160956), (35, 1852248), (40, 1620717), (42, 1543540), (56, 1157655), (60, 1080478), (70, 926124), (71, 913080), (84, 771770), (105, 617416), (120, 540239), (140, 463062), (142, 456540), (168, 385885), (210, 308708), (213, 304360), (280, 231531), (284, 228270), (355, 182616), (420, 154354), (426, 152180), (497, 130440), (568, 114135), (710, 91308), (840, 77177), (852, 76090), (994, 65220), (1065, 60872), (1087, 59640), (1420, 45654), (1491, 43480), (1704, 38045), (1988, 32610), (2130, 30436), (2174, 29820), (2485, 26088), (2840, 22827), (2982, 21740), (3261, 19880), (3976, 16305), (4260, 15218), (4348, 14910), (4970, 13044), (5435, 11928), (5964, 10870), (6522, 9940), (7455, 8696), (7609, 8520)]