881567240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:303

約数の個数: 128

約数和(自身を含む): 2109784320

約数和(自身を除く): 1228217080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 67, 71, 82, 113, 134, 142, 164, 205, 226, 268, 284, 328, 335, 355, 410, 452, 536, 565, 568, 670, 710, 820, 904, 1130, 1340, 1420, 1640, 2260, 2680, 2747, 2840, 2911, 4520, 4633, 4757, 5494, 5822, 7571, 8023, 9266, 9514, 10988, 11644, 13735, 14555, 15142, 16046, 18532, 19028, 21976, 23165, 23288, 23785, 27470, 29110, 30284, 32092, 37064, 37855, 38056, 40115, 46330, 47570, 54940, 58220, 60568, 64184, 75710, 80230, 92660, 95140, 109880, 116440, 151420, 160460, 185320, 190280, 195037, 302840, 310411, 320920, 328943, 390074, 537541, 620822, 657886, 780148, 975185, 1075082, 1241644, 1315772, 1552055, 1560296, 1644715, 1950370, 2150164, 2483288, 2631544, 2687705, 3104110, 3289430, 3900740, 4300328, 5375410, 6208220, 6578860, 7801480, 10750820, 12416440, 13157720, 21501640, 22039181, 44078362, 88156724, 110195905, 176313448, 220391810, 440783620, 881567240]

約数ペア:

[(1, 881567240), (2, 440783620), (4, 220391810), (5, 176313448), (8, 110195905), (10, 88156724), (20, 44078362), (40, 22039181), (41, 21501640), (67, 13157720), (71, 12416440), (82, 10750820), (113, 7801480), (134, 6578860), (142, 6208220), (164, 5375410), (205, 4300328), (226, 3900740), (268, 3289430), (284, 3104110), (328, 2687705), (335, 2631544), (355, 2483288), (410, 2150164), (452, 1950370), (536, 1644715), (565, 1560296), (568, 1552055), (670, 1315772), (710, 1241644), (820, 1075082), (904, 975185), (1130, 780148), (1340, 657886), (1420, 620822), (1640, 537541), (2260, 390074), (2680, 328943), (2747, 320920), (2840, 310411), (2911, 302840), (4520, 195037), (4633, 190280), (4757, 185320), (5494, 160460), (5822, 151420), (7571, 116440), (8023, 109880), (9266, 95140), (9514, 92660), (10988, 80230), (11644, 75710), (13735, 64184), (14555, 60568), (15142, 58220), (16046, 54940), (18532, 47570), (19028, 46330), (21976, 40115), (23165, 38056), (23288, 37855), (23785, 37064), (27470, 32092), (29110, 30284)]