666726432640

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{16693}}^1\times {\mathrm{3671}}^1$

素因数の和:20400

約数の個数: 128

約数和(自身を含む): 1688212134720

約数和(自身を除く): 1021485702080

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 2176, 2720, 3671, 5440, 7342, 10880, 14684, 16693, 18355, 29368, 33386, 36710, 58736, 62407, 66772, 73420, 83465, 117472, 124814, 133544, 146840, 166930, 234944, 249628, 267088, 283781, 293680, 312035, 333860, 469888, 499256, 534176, 567562, 587360, 624070, 667720, 998512, 1068352, 1135124, 1174720, 1248140, 1335440, 1418905, 1997024, 2136704, 2270248, 2349440, 2496280, 2670880, 2837810, 3994048, 4540496, 4992560, 5341760, 5675620, 7988096, 9080992, 9985120, 10683520, 11351240, 18161984, 19970240, 22702480, 36323968, 39940480, 45404960, 61280003, 90809920, 122560006, 181619840, 245120012, 306400015, 490240024, 612800030, 980480048, 1041760051, 1225600060, 1960960096, 2083520102, 2451200120, 3921920192, 4167040204, 4902400240, 5208800255, 7843840384, 8334080408, 9804800480, 10417600510, 16668160816, 19609600960, 20835201020, 33336321632, 39219201920, 41670402040, 66672643264, 83340804080, 133345286528, 166681608160, 333363216320, 666726432640]

約数ペア:

[(1, 666726432640), (2, 333363216320), (4, 166681608160), (5, 133345286528), (8, 83340804080), (10, 66672643264), (16, 41670402040), (17, 39219201920), (20, 33336321632), (32, 20835201020), (34, 19609600960), (40, 16668160816), (64, 10417600510), (68, 9804800480), (80, 8334080408), (85, 7843840384), (128, 5208800255), (136, 4902400240), (160, 4167040204), (170, 3921920192), (272, 2451200120), (320, 2083520102), (340, 1960960096), (544, 1225600060), (640, 1041760051), (680, 980480048), (1088, 612800030), (1360, 490240024), (2176, 306400015), (2720, 245120012), (3671, 181619840), (5440, 122560006), (7342, 90809920), (10880, 61280003), (14684, 45404960), (16693, 39940480), (18355, 36323968), (29368, 22702480), (33386, 19970240), (36710, 18161984), (58736, 11351240), (62407, 10683520), (66772, 9985120), (73420, 9080992), (83465, 7988096), (117472, 5675620), (124814, 5341760), (133544, 4992560), (146840, 4540496), (166930, 3994048), (234944, 2837810), (249628, 2670880), (267088, 2496280), (283781, 2349440), (293680, 2270248), (312035, 2136704), (333860, 1997024), (469888, 1418905), (499256, 1335440), (534176, 1248140), (567562, 1174720), (587360, 1135124), (624070, 1068352), (667720, 998512)]