71395240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{283}}^1$

素因数の和:371

約数の個数: 128

約数和(自身を含む): 198754560

約数和(自身を除く): 127359320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 53, 56, 68, 70, 85, 106, 119, 136, 140, 170, 212, 238, 265, 280, 283, 340, 371, 424, 476, 530, 566, 595, 680, 742, 901, 952, 1060, 1132, 1190, 1415, 1484, 1802, 1855, 1981, 2120, 2264, 2380, 2830, 2968, 3604, 3710, 3962, 4505, 4760, 4811, 5660, 6307, 7208, 7420, 7924, 9010, 9622, 9905, 11320, 12614, 14840, 14999, 15848, 18020, 19244, 19810, 24055, 25228, 29998, 31535, 33677, 36040, 38488, 39620, 48110, 50456, 59996, 63070, 67354, 74995, 79240, 96220, 104993, 119992, 126140, 134708, 149990, 168385, 192440, 209986, 252280, 254983, 269416, 299980, 336770, 419972, 509966, 524965, 599960, 673540, 839944, 1019932, 1049930, 1274915, 1347080, 1784881, 2039864, 2099860, 2549830, 3569762, 4199720, 5099660, 7139524, 8924405, 10199320, 14279048, 17848810, 35697620, 71395240]

約数ペア:

[(1, 71395240), (2, 35697620), (4, 17848810), (5, 14279048), (7, 10199320), (8, 8924405), (10, 7139524), (14, 5099660), (17, 4199720), (20, 3569762), (28, 2549830), (34, 2099860), (35, 2039864), (40, 1784881), (53, 1347080), (56, 1274915), (68, 1049930), (70, 1019932), (85, 839944), (106, 673540), (119, 599960), (136, 524965), (140, 509966), (170, 419972), (212, 336770), (238, 299980), (265, 269416), (280, 254983), (283, 252280), (340, 209986), (371, 192440), (424, 168385), (476, 149990), (530, 134708), (566, 126140), (595, 119992), (680, 104993), (742, 96220), (901, 79240), (952, 74995), (1060, 67354), (1132, 63070), (1190, 59996), (1415, 50456), (1484, 48110), (1802, 39620), (1855, 38488), (1981, 36040), (2120, 33677), (2264, 31535), (2380, 29998), (2830, 25228), (2968, 24055), (3604, 19810), (3710, 19244), (3962, 18020), (4505, 15848), (4760, 14999), (4811, 14840), (5660, 12614), (6307, 11320), (7208, 9905), (7420, 9622), (7924, 9010)]