66415580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:196

約数の個数: 144

約数和(自身を含む): 181675872

約数和(自身を除く): 115260292

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 61, 70, 77, 98, 101, 110, 122, 140, 154, 196, 202, 220, 244, 245, 305, 308, 385, 404, 427, 490, 505, 539, 610, 671, 707, 770, 854, 980, 1010, 1078, 1111, 1220, 1342, 1414, 1540, 1708, 2020, 2135, 2156, 2222, 2684, 2695, 2828, 2989, 3355, 3535, 4270, 4444, 4697, 4949, 5390, 5555, 5978, 6161, 6710, 7070, 7777, 8540, 9394, 9898, 10780, 11110, 11956, 12322, 13420, 14140, 14945, 15554, 18788, 19796, 22220, 23485, 24644, 24745, 29890, 30805, 31108, 32879, 38885, 43127, 46970, 49490, 54439, 59780, 61610, 65758, 67771, 77770, 86254, 93940, 98980, 108878, 123220, 131516, 135542, 155540, 164395, 172508, 215635, 217756, 271084, 272195, 301889, 328790, 338855, 431270, 474397, 544390, 603778, 657580, 677710, 862540, 948794, 1088780, 1207556, 1355420, 1509445, 1897588, 2371985, 3018890, 3320779, 4743970, 6037780, 6641558, 9487940, 13283116, 16603895, 33207790, 66415580]

約数ペア:

[(1, 66415580), (2, 33207790), (4, 16603895), (5, 13283116), (7, 9487940), (10, 6641558), (11, 6037780), (14, 4743970), (20, 3320779), (22, 3018890), (28, 2371985), (35, 1897588), (44, 1509445), (49, 1355420), (55, 1207556), (61, 1088780), (70, 948794), (77, 862540), (98, 677710), (101, 657580), (110, 603778), (122, 544390), (140, 474397), (154, 431270), (196, 338855), (202, 328790), (220, 301889), (244, 272195), (245, 271084), (305, 217756), (308, 215635), (385, 172508), (404, 164395), (427, 155540), (490, 135542), (505, 131516), (539, 123220), (610, 108878), (671, 98980), (707, 93940), (770, 86254), (854, 77770), (980, 67771), (1010, 65758), (1078, 61610), (1111, 59780), (1220, 54439), (1342, 49490), (1414, 46970), (1540, 43127), (1708, 38885), (2020, 32879), (2135, 31108), (2156, 30805), (2222, 29890), (2684, 24745), (2695, 24644), (2828, 23485), (2989, 22220), (3355, 19796), (3535, 18788), (4270, 15554), (4444, 14945), (4697, 14140), (4949, 13420), (5390, 12322), (5555, 11956), (5978, 11110), (6161, 10780), (6710, 9898), (7070, 9394), (7777, 8540)]