66281880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4153}}^1$

素因数の和:4193

約数の個数: 128

約数和(自身を含む): 239270400

約数和(自身を除く): 172988520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1995, 2280, 2660, 3192, 3990, 4153, 5320, 7980, 8306, 12459, 15960, 16612, 20765, 24918, 29071, 33224, 41530, 49836, 58142, 62295, 78907, 83060, 87213, 99672, 116284, 124590, 145355, 157814, 166120, 174426, 232568, 236721, 249180, 290710, 315628, 348852, 394535, 436065, 473442, 498360, 552349, 581420, 631256, 697704, 789070, 872130, 946884, 1104698, 1162840, 1183605, 1578140, 1657047, 1744260, 1893768, 2209396, 2367210, 2761745, 3156280, 3314094, 3488520, 4418792, 4734420, 5523490, 6628188, 8285235, 9468840, 11046980, 13256376, 16570470, 22093960, 33140940, 66281880]

約数ペア:

[(1, 66281880), (2, 33140940), (3, 22093960), (4, 16570470), (5, 13256376), (6, 11046980), (7, 9468840), (8, 8285235), (10, 6628188), (12, 5523490), (14, 4734420), (15, 4418792), (19, 3488520), (20, 3314094), (21, 3156280), (24, 2761745), (28, 2367210), (30, 2209396), (35, 1893768), (38, 1744260), (40, 1657047), (42, 1578140), (56, 1183605), (57, 1162840), (60, 1104698), (70, 946884), (76, 872130), (84, 789070), (95, 697704), (105, 631256), (114, 581420), (120, 552349), (133, 498360), (140, 473442), (152, 436065), (168, 394535), (190, 348852), (210, 315628), (228, 290710), (266, 249180), (280, 236721), (285, 232568), (380, 174426), (399, 166120), (420, 157814), (456, 145355), (532, 124590), (570, 116284), (665, 99672), (760, 87213), (798, 83060), (840, 78907), (1064, 62295), (1140, 58142), (1330, 49836), (1596, 41530), (1995, 33224), (2280, 29071), (2660, 24918), (3192, 20765), (3990, 16612), (4153, 15960), (5320, 12459), (7980, 8306)]