256193910

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1259}}^1$

素因数の和:1315

約数の個数: 192

約数和(自身を含む): 849139200

約数和(自身を除く): 592945290

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 19, 21, 30, 34, 35, 38, 42, 45, 51, 57, 63, 70, 85, 90, 95, 102, 105, 114, 119, 126, 133, 153, 170, 171, 190, 210, 238, 255, 266, 285, 306, 315, 323, 342, 357, 399, 510, 570, 595, 630, 646, 665, 714, 765, 798, 855, 969, 1071, 1190, 1197, 1259, 1330, 1530, 1615, 1710, 1785, 1938, 1995, 2142, 2261, 2394, 2518, 2907, 3230, 3570, 3777, 3990, 4522, 4845, 5355, 5814, 5985, 6295, 6783, 7554, 8813, 9690, 10710, 11305, 11331, 11970, 12590, 13566, 14535, 17626, 18885, 20349, 21403, 22610, 22662, 23921, 26439, 29070, 33915, 37770, 40698, 42806, 44065, 47842, 52878, 56655, 64209, 67830, 71763, 79317, 88130, 101745, 107015, 113310, 119605, 128418, 132195, 143526, 149821, 158634, 167447, 192627, 203490, 214030, 215289, 239210, 264390, 299642, 321045, 334894, 358815, 385254, 396585, 406657, 430578, 449463, 502341, 642090, 717630, 749105, 793170, 813314, 837235, 898926, 963135, 1004682, 1076445, 1219971, 1348389, 1498210, 1507023, 1674470, 1926270, 2033285, 2152890, 2247315, 2439942, 2511705, 2696778, 2846599, 3014046, 3659913, 4066570, 4494630, 5023410, 5693198, 6099855, 6741945, 7319826, 7535115, 8539797, 12199710, 13483890, 14232995, 15070230, 17079594, 18299565, 25619391, 28465990, 36599130, 42698985, 51238782, 85397970, 128096955, 256193910]

約数ペア:

[(1, 256193910), (2, 128096955), (3, 85397970), (5, 51238782), (6, 42698985), (7, 36599130), (9, 28465990), (10, 25619391), (14, 18299565), (15, 17079594), (17, 15070230), (18, 14232995), (19, 13483890), (21, 12199710), (30, 8539797), (34, 7535115), (35, 7319826), (38, 6741945), (42, 6099855), (45, 5693198), (51, 5023410), (57, 4494630), (63, 4066570), (70, 3659913), (85, 3014046), (90, 2846599), (95, 2696778), (102, 2511705), (105, 2439942), (114, 2247315), (119, 2152890), (126, 2033285), (133, 1926270), (153, 1674470), (170, 1507023), (171, 1498210), (190, 1348389), (210, 1219971), (238, 1076445), (255, 1004682), (266, 963135), (285, 898926), (306, 837235), (315, 813314), (323, 793170), (342, 749105), (357, 717630), (399, 642090), (510, 502341), (570, 449463), (595, 430578), (630, 406657), (646, 396585), (665, 385254), (714, 358815), (765, 334894), (798, 321045), (855, 299642), (969, 264390), (1071, 239210), (1190, 215289), (1197, 214030), (1259, 203490), (1330, 192627), (1530, 167447), (1615, 158634), (1710, 149821), (1785, 143526), (1938, 132195), (1995, 128418), (2142, 119605), (2261, 113310), (2394, 107015), (2518, 101745), (2907, 88130), (3230, 79317), (3570, 71763), (3777, 67830), (3990, 64209), (4522, 56655), (4845, 52878), (5355, 47842), (5814, 44065), (5985, 42806), (6295, 40698), (6783, 37770), (7554, 33915), (8813, 29070), (9690, 26439), (10710, 23921), (11305, 22662), (11331, 22610), (11970, 21403), (12590, 20349), (13566, 18885), (14535, 17626)]