257704590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:215

約数の個数: 192

約数和(自身を含む): 755048448

約数和(自身を除く): 497343858

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 39, 43, 55, 65, 66, 78, 86, 110, 121, 127, 129, 130, 143, 165, 195, 215, 242, 254, 258, 286, 330, 363, 381, 390, 429, 430, 473, 559, 605, 635, 645, 715, 726, 762, 858, 946, 1118, 1210, 1270, 1290, 1397, 1419, 1430, 1573, 1651, 1677, 1815, 1905, 2145, 2365, 2794, 2795, 2838, 3146, 3302, 3354, 3630, 3810, 4191, 4290, 4719, 4730, 4953, 5203, 5461, 5590, 6149, 6985, 7095, 7865, 8255, 8382, 8385, 9438, 9906, 10406, 10922, 12298, 13970, 14190, 15367, 15609, 15730, 16383, 16510, 16770, 18161, 18447, 20955, 23595, 24765, 26015, 27305, 30734, 30745, 31218, 32766, 36322, 36894, 41910, 46101, 47190, 49530, 52030, 54483, 54610, 60071, 61490, 67639, 70993, 76835, 78045, 81915, 90805, 92202, 92235, 108966, 120142, 135278, 141986, 153670, 156090, 163830, 180213, 181610, 184470, 199771, 202917, 212979, 230505, 272415, 300355, 338195, 354965, 360426, 399542, 405834, 425958, 461010, 544830, 599313, 600710, 660781, 676390, 709930, 780923, 901065, 998855, 1014585, 1064895, 1198626, 1321562, 1561846, 1802130, 1982343, 1997710, 2029170, 2129790, 2342769, 2996565, 3303905, 3904615, 3964686, 4685538, 5993130, 6607810, 7809230, 8590153, 9911715, 11713845, 17180306, 19823430, 23427690, 25770459, 42950765, 51540918, 85901530, 128852295, 257704590]

約数ペア:

[(1, 257704590), (2, 128852295), (3, 85901530), (5, 51540918), (6, 42950765), (10, 25770459), (11, 23427690), (13, 19823430), (15, 17180306), (22, 11713845), (26, 9911715), (30, 8590153), (33, 7809230), (39, 6607810), (43, 5993130), (55, 4685538), (65, 3964686), (66, 3904615), (78, 3303905), (86, 2996565), (110, 2342769), (121, 2129790), (127, 2029170), (129, 1997710), (130, 1982343), (143, 1802130), (165, 1561846), (195, 1321562), (215, 1198626), (242, 1064895), (254, 1014585), (258, 998855), (286, 901065), (330, 780923), (363, 709930), (381, 676390), (390, 660781), (429, 600710), (430, 599313), (473, 544830), (559, 461010), (605, 425958), (635, 405834), (645, 399542), (715, 360426), (726, 354965), (762, 338195), (858, 300355), (946, 272415), (1118, 230505), (1210, 212979), (1270, 202917), (1290, 199771), (1397, 184470), (1419, 181610), (1430, 180213), (1573, 163830), (1651, 156090), (1677, 153670), (1815, 141986), (1905, 135278), (2145, 120142), (2365, 108966), (2794, 92235), (2795, 92202), (2838, 90805), (3146, 81915), (3302, 78045), (3354, 76835), (3630, 70993), (3810, 67639), (4191, 61490), (4290, 60071), (4719, 54610), (4730, 54483), (4953, 52030), (5203, 49530), (5461, 47190), (5590, 46101), (6149, 41910), (6985, 36894), (7095, 36322), (7865, 32766), (8255, 31218), (8382, 30745), (8385, 30734), (9438, 27305), (9906, 26015), (10406, 24765), (10922, 23595), (12298, 20955), (13970, 18447), (14190, 18161), (15367, 16770), (15609, 16510), (15730, 16383)]