276651440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8581}}^1$

素因数の和:8638

約数の個数: 80

約数和(自身を含む): 715120896

約数和(自身を除く): 438469456

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 8581, 16120, 17162, 32240, 34324, 42905, 68648, 85810, 111553, 137296, 171620, 223106, 266011, 343240, 446212, 532022, 557765, 686480, 892424, 1064044, 1115530, 1330055, 1784848, 2128088, 2231060, 2660110, 3458143, 4256176, 4462120, 5320220, 6916286, 8924240, 10640440, 13832572, 17290715, 21280880, 27665144, 34581430, 55330288, 69162860, 138325720, 276651440]

約数ペア:

[(1, 276651440), (2, 138325720), (4, 69162860), (5, 55330288), (8, 34581430), (10, 27665144), (13, 21280880), (16, 17290715), (20, 13832572), (26, 10640440), (31, 8924240), (40, 6916286), (52, 5320220), (62, 4462120), (65, 4256176), (80, 3458143), (104, 2660110), (124, 2231060), (130, 2128088), (155, 1784848), (208, 1330055), (248, 1115530), (260, 1064044), (310, 892424), (403, 686480), (496, 557765), (520, 532022), (620, 446212), (806, 343240), (1040, 266011), (1240, 223106), (1612, 171620), (2015, 137296), (2480, 111553), (3224, 85810), (4030, 68648), (6448, 42905), (8060, 34324), (8581, 32240), (16120, 17162)]