261148960

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1423}}^1$

素因数の和:1506

約数の個数: 96

約数和(自身を含む): 654538752

約数和(自身を除く): 393389792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 37, 40, 62, 74, 80, 124, 148, 155, 160, 185, 248, 296, 310, 370, 496, 592, 620, 740, 992, 1147, 1184, 1240, 1423, 1480, 2294, 2480, 2846, 2960, 4588, 4960, 5692, 5735, 5920, 7115, 9176, 11384, 11470, 14230, 18352, 22768, 22940, 28460, 36704, 44113, 45536, 45880, 52651, 56920, 88226, 91760, 105302, 113840, 176452, 183520, 210604, 220565, 227680, 263255, 352904, 421208, 441130, 526510, 705808, 842416, 882260, 1053020, 1411616, 1632181, 1684832, 1764520, 2106040, 3264362, 3529040, 4212080, 6528724, 7058080, 8160905, 8424160, 13057448, 16321810, 26114896, 32643620, 52229792, 65287240, 130574480, 261148960]

約数ペア:

[(1, 261148960), (2, 130574480), (4, 65287240), (5, 52229792), (8, 32643620), (10, 26114896), (16, 16321810), (20, 13057448), (31, 8424160), (32, 8160905), (37, 7058080), (40, 6528724), (62, 4212080), (74, 3529040), (80, 3264362), (124, 2106040), (148, 1764520), (155, 1684832), (160, 1632181), (185, 1411616), (248, 1053020), (296, 882260), (310, 842416), (370, 705808), (496, 526510), (592, 441130), (620, 421208), (740, 352904), (992, 263255), (1147, 227680), (1184, 220565), (1240, 210604), (1423, 183520), (1480, 176452), (2294, 113840), (2480, 105302), (2846, 91760), (2960, 88226), (4588, 56920), (4960, 52651), (5692, 45880), (5735, 45536), (5920, 44113), (7115, 36704), (9176, 28460), (11384, 22940), (11470, 22768), (14230, 18352)]