837444780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{421}}^1$

素因数の和:736

約数の個数: 144

約数和(自身を含む): 2615637024

約数和(自身を除く): 1778192244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 257, 258, 387, 421, 430, 514, 516, 645, 771, 774, 842, 860, 1028, 1263, 1285, 1290, 1542, 1548, 1684, 1935, 2105, 2313, 2526, 2570, 2580, 3084, 3789, 3855, 3870, 4210, 4626, 5052, 5140, 6315, 7578, 7710, 7740, 8420, 9252, 11051, 11565, 12630, 15156, 15420, 18103, 18945, 22102, 23130, 25260, 33153, 36206, 37890, 44204, 46260, 54309, 55255, 66306, 72412, 75780, 90515, 99459, 108197, 108618, 110510, 132612, 162927, 165765, 181030, 198918, 216394, 217236, 221020, 271545, 324591, 325854, 331530, 362060, 397836, 432788, 497295, 540985, 543090, 649182, 651708, 663060, 814635, 973773, 994590, 1081970, 1086180, 1298364, 1622955, 1629270, 1947546, 1989180, 2163940, 3245910, 3258540, 3895092, 4652471, 4868865, 6491820, 9304942, 9737730, 13957413, 18609884, 19475460, 23262355, 27914826, 41872239, 46524710, 55829652, 69787065, 83744478, 93049420, 139574130, 167488956, 209361195, 279148260, 418722390, 837444780]

約数ペア:

[(1, 837444780), (2, 418722390), (3, 279148260), (4, 209361195), (5, 167488956), (6, 139574130), (9, 93049420), (10, 83744478), (12, 69787065), (15, 55829652), (18, 46524710), (20, 41872239), (30, 27914826), (36, 23262355), (43, 19475460), (45, 18609884), (60, 13957413), (86, 9737730), (90, 9304942), (129, 6491820), (172, 4868865), (180, 4652471), (215, 3895092), (257, 3258540), (258, 3245910), (387, 2163940), (421, 1989180), (430, 1947546), (514, 1629270), (516, 1622955), (645, 1298364), (771, 1086180), (774, 1081970), (842, 994590), (860, 973773), (1028, 814635), (1263, 663060), (1285, 651708), (1290, 649182), (1542, 543090), (1548, 540985), (1684, 497295), (1935, 432788), (2105, 397836), (2313, 362060), (2526, 331530), (2570, 325854), (2580, 324591), (3084, 271545), (3789, 221020), (3855, 217236), (3870, 216394), (4210, 198918), (4626, 181030), (5052, 165765), (5140, 162927), (6315, 132612), (7578, 110510), (7710, 108618), (7740, 108197), (8420, 99459), (9252, 90515), (11051, 75780), (11565, 72412), (12630, 66306), (15156, 55255), (15420, 54309), (18103, 46260), (18945, 44204), (22102, 37890), (23130, 36206), (25260, 33153)]