258156840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2393}}^1$

素因数の和:2467

約数の個数: 128

約数和(自身を含む): 827366400

約数和(自身を除く): 569209560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 31, 40, 58, 60, 62, 87, 93, 116, 120, 124, 145, 155, 174, 186, 232, 248, 290, 310, 348, 372, 435, 465, 580, 620, 696, 744, 870, 899, 930, 1160, 1240, 1740, 1798, 1860, 2393, 2697, 3480, 3596, 3720, 4495, 4786, 5394, 7179, 7192, 8990, 9572, 10788, 11965, 13485, 14358, 17980, 19144, 21576, 23930, 26970, 28716, 35895, 35960, 47860, 53940, 57432, 69397, 71790, 74183, 95720, 107880, 138794, 143580, 148366, 208191, 222549, 277588, 287160, 296732, 346985, 370915, 416382, 445098, 555176, 593464, 693970, 741830, 832764, 890196, 1040955, 1112745, 1387940, 1483660, 1665528, 1780392, 2081910, 2151307, 2225490, 2775880, 2967320, 4163820, 4302614, 4450980, 6453921, 8327640, 8605228, 8901960, 10756535, 12907842, 17210456, 21513070, 25815684, 32269605, 43026140, 51631368, 64539210, 86052280, 129078420, 258156840]

約数ペア:

[(1, 258156840), (2, 129078420), (3, 86052280), (4, 64539210), (5, 51631368), (6, 43026140), (8, 32269605), (10, 25815684), (12, 21513070), (15, 17210456), (20, 12907842), (24, 10756535), (29, 8901960), (30, 8605228), (31, 8327640), (40, 6453921), (58, 4450980), (60, 4302614), (62, 4163820), (87, 2967320), (93, 2775880), (116, 2225490), (120, 2151307), (124, 2081910), (145, 1780392), (155, 1665528), (174, 1483660), (186, 1387940), (232, 1112745), (248, 1040955), (290, 890196), (310, 832764), (348, 741830), (372, 693970), (435, 593464), (465, 555176), (580, 445098), (620, 416382), (696, 370915), (744, 346985), (870, 296732), (899, 287160), (930, 277588), (1160, 222549), (1240, 208191), (1740, 148366), (1798, 143580), (1860, 138794), (2393, 107880), (2697, 95720), (3480, 74183), (3596, 71790), (3720, 69397), (4495, 57432), (4786, 53940), (5394, 47860), (7179, 35960), (7192, 35895), (8990, 28716), (9572, 26970), (10788, 23930), (11965, 21576), (13485, 19144), (14358, 17980)]