72977940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3407}}^1$

素因数の和:3446

約数の個数: 144

約数和(自身を含む): 267950592

約数和(自身を除く): 194972652

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 1020, 1071, 1190, 1260, 1428, 1530, 1785, 2142, 2380, 3060, 3407, 3570, 4284, 5355, 6814, 7140, 10221, 10710, 13628, 17035, 20442, 21420, 23849, 30663, 34070, 40884, 47698, 51105, 57919, 61326, 68140, 71547, 95396, 102210, 115838, 119245, 122652, 143094, 153315, 173757, 204420, 214641, 231676, 238490, 286188, 289595, 306630, 347514, 357735, 405433, 429282, 476980, 521271, 579190, 613260, 695028, 715470, 810866, 858564, 868785, 1042542, 1073205, 1158380, 1216299, 1430940, 1621732, 1737570, 2027165, 2085084, 2146410, 2432598, 2606355, 3475140, 3648897, 4054330, 4292820, 4865196, 5212710, 6081495, 7297794, 8108660, 10425420, 12162990, 14595588, 18244485, 24325980, 36488970, 72977940]

約数ペア:

[(1, 72977940), (2, 36488970), (3, 24325980), (4, 18244485), (5, 14595588), (6, 12162990), (7, 10425420), (9, 8108660), (10, 7297794), (12, 6081495), (14, 5212710), (15, 4865196), (17, 4292820), (18, 4054330), (20, 3648897), (21, 3475140), (28, 2606355), (30, 2432598), (34, 2146410), (35, 2085084), (36, 2027165), (42, 1737570), (45, 1621732), (51, 1430940), (60, 1216299), (63, 1158380), (68, 1073205), (70, 1042542), (84, 868785), (85, 858564), (90, 810866), (102, 715470), (105, 695028), (119, 613260), (126, 579190), (140, 521271), (153, 476980), (170, 429282), (180, 405433), (204, 357735), (210, 347514), (238, 306630), (252, 289595), (255, 286188), (306, 238490), (315, 231676), (340, 214641), (357, 204420), (420, 173757), (476, 153315), (510, 143094), (595, 122652), (612, 119245), (630, 115838), (714, 102210), (765, 95396), (1020, 71547), (1071, 68140), (1190, 61326), (1260, 57919), (1428, 51105), (1530, 47698), (1785, 40884), (2142, 34070), (2380, 30663), (3060, 23849), (3407, 21420), (3570, 20442), (4284, 17035), (5355, 13628), (6814, 10710), (7140, 10221)]