66617880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1117}}^1$

素因数の和:1209

約数の個数: 128

約数和(自身を含む): 231828480

約数和(自身を除く): 165210600

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, 1117, 1420, 1491, 1704, 1988, 2130, 2234, 2485, 2840, 2982, 3351, 3976, 4260, 4468, 4970, 5585, 5964, 6702, 7455, 7819, 8520, 8936, 9940, 11170, 11928, 13404, 14910, 15638, 16755, 19880, 22340, 23457, 26808, 29820, 31276, 33510, 39095, 44680, 46914, 59640, 62552, 67020, 78190, 79307, 93828, 117285, 134040, 156380, 158614, 187656, 234570, 237921, 312760, 317228, 396535, 469140, 475842, 555149, 634456, 793070, 938280, 951684, 1110298, 1189605, 1586140, 1665447, 1903368, 2220596, 2379210, 2775745, 3172280, 3330894, 4441192, 4758420, 5551490, 6661788, 8327235, 9516840, 11102980, 13323576, 16654470, 22205960, 33308940, 66617880]

約数ペア:

[(1, 66617880), (2, 33308940), (3, 22205960), (4, 16654470), (5, 13323576), (6, 11102980), (7, 9516840), (8, 8327235), (10, 6661788), (12, 5551490), (14, 4758420), (15, 4441192), (20, 3330894), (21, 3172280), (24, 2775745), (28, 2379210), (30, 2220596), (35, 1903368), (40, 1665447), (42, 1586140), (56, 1189605), (60, 1110298), (70, 951684), (71, 938280), (84, 793070), (105, 634456), (120, 555149), (140, 475842), (142, 469140), (168, 396535), (210, 317228), (213, 312760), (280, 237921), (284, 234570), (355, 187656), (420, 158614), (426, 156380), (497, 134040), (568, 117285), (710, 93828), (840, 79307), (852, 78190), (994, 67020), (1065, 62552), (1117, 59640), (1420, 46914), (1491, 44680), (1704, 39095), (1988, 33510), (2130, 31276), (2234, 29820), (2485, 26808), (2840, 23457), (2982, 22340), (3351, 19880), (3976, 16755), (4260, 15638), (4468, 14910), (4970, 13404), (5585, 11928), (5964, 11170), (6702, 9940), (7455, 8936), (7819, 8520)]