71665540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:217

約数の個数: 96

約数和(自身を含む): 168031584

約数和(自身を除く): 96366044

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 53, 68, 82, 85, 97, 106, 164, 170, 194, 205, 212, 265, 340, 388, 410, 485, 530, 697, 820, 901, 970, 1060, 1394, 1649, 1802, 1940, 2173, 2788, 3298, 3485, 3604, 3977, 4346, 4505, 5141, 6596, 6970, 7954, 8245, 8692, 9010, 10282, 10865, 13940, 15908, 16490, 18020, 19885, 20564, 21730, 25705, 32980, 36941, 39770, 43460, 51410, 67609, 73882, 79540, 87397, 102820, 135218, 147764, 174794, 184705, 210781, 270436, 338045, 349588, 369410, 421562, 436985, 676090, 738820, 843124, 873970, 1053905, 1352180, 1747940, 2107810, 3583277, 4215620, 7166554, 14333108, 17916385, 35832770, 71665540]

約数ペア:

[(1, 71665540), (2, 35832770), (4, 17916385), (5, 14333108), (10, 7166554), (17, 4215620), (20, 3583277), (34, 2107810), (41, 1747940), (53, 1352180), (68, 1053905), (82, 873970), (85, 843124), (97, 738820), (106, 676090), (164, 436985), (170, 421562), (194, 369410), (205, 349588), (212, 338045), (265, 270436), (340, 210781), (388, 184705), (410, 174794), (485, 147764), (530, 135218), (697, 102820), (820, 87397), (901, 79540), (970, 73882), (1060, 67609), (1394, 51410), (1649, 43460), (1802, 39770), (1940, 36941), (2173, 32980), (2788, 25705), (3298, 21730), (3485, 20564), (3604, 19885), (3977, 18020), (4346, 16490), (4505, 15908), (5141, 13940), (6596, 10865), (6970, 10282), (7954, 9010), (8245, 8692)]