255529680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1709}}^1$

素因数の和:1821

約数の個数: 160

約数和(自身を含む): 916012800

約数和(自身を除く): 660483120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 89, 105, 112, 120, 140, 168, 178, 210, 240, 267, 280, 336, 356, 420, 445, 534, 560, 623, 712, 840, 890, 1068, 1246, 1335, 1424, 1680, 1709, 1780, 1869, 2136, 2492, 2670, 3115, 3418, 3560, 3738, 4272, 4984, 5127, 5340, 6230, 6836, 7120, 7476, 8545, 9345, 9968, 10254, 10680, 11963, 12460, 13672, 14952, 17090, 18690, 20508, 21360, 23926, 24920, 25635, 27344, 29904, 34180, 35889, 37380, 41016, 47852, 49840, 51270, 59815, 68360, 71778, 74760, 82032, 95704, 102540, 119630, 136720, 143556, 149520, 152101, 179445, 191408, 205080, 239260, 287112, 304202, 358890, 410160, 456303, 478520, 574224, 608404, 717780, 760505, 912606, 957040, 1064707, 1216808, 1435560, 1521010, 1825212, 2129414, 2281515, 2433616, 2871120, 3042020, 3194121, 3650424, 4258828, 4563030, 5323535, 6084040, 6388242, 7300848, 8517656, 9126060, 10647070, 12168080, 12776484, 15970605, 17035312, 18252120, 21294140, 25552968, 31941210, 36504240, 42588280, 51105936, 63882420, 85176560, 127764840, 255529680]

約数ペア:

[(1, 255529680), (2, 127764840), (3, 85176560), (4, 63882420), (5, 51105936), (6, 42588280), (7, 36504240), (8, 31941210), (10, 25552968), (12, 21294140), (14, 18252120), (15, 17035312), (16, 15970605), (20, 12776484), (21, 12168080), (24, 10647070), (28, 9126060), (30, 8517656), (35, 7300848), (40, 6388242), (42, 6084040), (48, 5323535), (56, 4563030), (60, 4258828), (70, 3650424), (80, 3194121), (84, 3042020), (89, 2871120), (105, 2433616), (112, 2281515), (120, 2129414), (140, 1825212), (168, 1521010), (178, 1435560), (210, 1216808), (240, 1064707), (267, 957040), (280, 912606), (336, 760505), (356, 717780), (420, 608404), (445, 574224), (534, 478520), (560, 456303), (623, 410160), (712, 358890), (840, 304202), (890, 287112), (1068, 239260), (1246, 205080), (1335, 191408), (1424, 179445), (1680, 152101), (1709, 149520), (1780, 143556), (1869, 136720), (2136, 119630), (2492, 102540), (2670, 95704), (3115, 82032), (3418, 74760), (3560, 71778), (3738, 68360), (4272, 59815), (4984, 51270), (5127, 49840), (5340, 47852), (6230, 41016), (6836, 37380), (7120, 35889), (7476, 34180), (8545, 29904), (9345, 27344), (9968, 25635), (10254, 24920), (10680, 23926), (11963, 21360), (12460, 20508), (13672, 18690), (14952, 17090)]