129961720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{1087}}^1$

素因数の和:1173

約数の個数: 96

約数和(自身を含む): 346049280

約数和(自身を除く): 216087560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 61, 70, 98, 122, 140, 196, 244, 245, 280, 305, 392, 427, 488, 490, 610, 854, 980, 1087, 1220, 1708, 1960, 2135, 2174, 2440, 2989, 3416, 4270, 4348, 5435, 5978, 7609, 8540, 8696, 10870, 11956, 14945, 15218, 17080, 21740, 23912, 29890, 30436, 38045, 43480, 53263, 59780, 60872, 66307, 76090, 106526, 119560, 132614, 152180, 213052, 265228, 266315, 304360, 331535, 426104, 464149, 530456, 532630, 663070, 928298, 1065260, 1326140, 1856596, 2130520, 2320745, 2652280, 3249043, 3713192, 4641490, 6498086, 9282980, 12996172, 16245215, 18565960, 25992344, 32490430, 64980860, 129961720]

約数ペア:

[(1, 129961720), (2, 64980860), (4, 32490430), (5, 25992344), (7, 18565960), (8, 16245215), (10, 12996172), (14, 9282980), (20, 6498086), (28, 4641490), (35, 3713192), (40, 3249043), (49, 2652280), (56, 2320745), (61, 2130520), (70, 1856596), (98, 1326140), (122, 1065260), (140, 928298), (196, 663070), (244, 532630), (245, 530456), (280, 464149), (305, 426104), (392, 331535), (427, 304360), (488, 266315), (490, 265228), (610, 213052), (854, 152180), (980, 132614), (1087, 119560), (1220, 106526), (1708, 76090), (1960, 66307), (2135, 60872), (2174, 59780), (2440, 53263), (2989, 43480), (3416, 38045), (4270, 30436), (4348, 29890), (5435, 23912), (5978, 21740), (7609, 17080), (8540, 15218), (8696, 14945), (10870, 11956)]