65331340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:259

約数の個数: 72

約数和(自身を含む): 148538880

約数和(自身を除く): 83207540

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 89, 127, 170, 178, 254, 289, 340, 356, 445, 508, 578, 635, 890, 1156, 1270, 1445, 1513, 1780, 2159, 2540, 2890, 3026, 4318, 5780, 6052, 7565, 8636, 10795, 11303, 15130, 21590, 22606, 25721, 30260, 36703, 43180, 45212, 51442, 56515, 73406, 102884, 113030, 128605, 146812, 183515, 192151, 226060, 257210, 367030, 384302, 514420, 734060, 768604, 960755, 1921510, 3266567, 3843020, 6533134, 13066268, 16332835, 32665670, 65331340]

約数ペア:

[(1, 65331340), (2, 32665670), (4, 16332835), (5, 13066268), (10, 6533134), (17, 3843020), (20, 3266567), (34, 1921510), (68, 960755), (85, 768604), (89, 734060), (127, 514420), (170, 384302), (178, 367030), (254, 257210), (289, 226060), (340, 192151), (356, 183515), (445, 146812), (508, 128605), (578, 113030), (635, 102884), (890, 73406), (1156, 56515), (1270, 51442), (1445, 45212), (1513, 43180), (1780, 36703), (2159, 30260), (2540, 25721), (2890, 22606), (3026, 21590), (4318, 15130), (5780, 11303), (6052, 10795), (7565, 8636)]