261841680

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{503}}^1$

素因数の和:766

約数の個数: 160

約数和(自身を含む): 907441920

約数和(自身を除く): 645600240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 241, 270, 360, 432, 482, 503, 540, 720, 723, 964, 1006, 1080, 1205, 1446, 1509, 1928, 2012, 2160, 2169, 2410, 2515, 2892, 3018, 3615, 3856, 4024, 4338, 4527, 4820, 5030, 5784, 6036, 6507, 7230, 7545, 8048, 8676, 9054, 9640, 10060, 10845, 11568, 12072, 13014, 13581, 14460, 15090, 17352, 18108, 19280, 20120, 21690, 22635, 24144, 26028, 27162, 28920, 30180, 32535, 34704, 36216, 40240, 43380, 45270, 52056, 54324, 57840, 60360, 65070, 67905, 72432, 86760, 90540, 104112, 108648, 120720, 121223, 130140, 135810, 173520, 181080, 217296, 242446, 260280, 271620, 362160, 363669, 484892, 520560, 543240, 606115, 727338, 969784, 1086480, 1091007, 1212230, 1454676, 1818345, 1939568, 2182014, 2424460, 2909352, 3273021, 3636690, 4364028, 4848920, 5455035, 5818704, 6546042, 7273380, 8728056, 9697840, 10910070, 13092084, 14546760, 16365105, 17456112, 21820140, 26184168, 29093520, 32730210, 43640280, 52368336, 65460420, 87280560, 130920840, 261841680]

約数ペア:

[(1, 261841680), (2, 130920840), (3, 87280560), (4, 65460420), (5, 52368336), (6, 43640280), (8, 32730210), (9, 29093520), (10, 26184168), (12, 21820140), (15, 17456112), (16, 16365105), (18, 14546760), (20, 13092084), (24, 10910070), (27, 9697840), (30, 8728056), (36, 7273380), (40, 6546042), (45, 5818704), (48, 5455035), (54, 4848920), (60, 4364028), (72, 3636690), (80, 3273021), (90, 2909352), (108, 2424460), (120, 2182014), (135, 1939568), (144, 1818345), (180, 1454676), (216, 1212230), (240, 1091007), (241, 1086480), (270, 969784), (360, 727338), (432, 606115), (482, 543240), (503, 520560), (540, 484892), (720, 363669), (723, 362160), (964, 271620), (1006, 260280), (1080, 242446), (1205, 217296), (1446, 181080), (1509, 173520), (1928, 135810), (2012, 130140), (2160, 121223), (2169, 120720), (2410, 108648), (2515, 104112), (2892, 90540), (3018, 86760), (3615, 72432), (3856, 67905), (4024, 65070), (4338, 60360), (4527, 57840), (4820, 54324), (5030, 52056), (5784, 45270), (6036, 43380), (6507, 40240), (7230, 36216), (7545, 34704), (8048, 32535), (8676, 30180), (9054, 28920), (9640, 27162), (10060, 26028), (10845, 24144), (11568, 22635), (12072, 21690), (13014, 20120), (13581, 19280), (14460, 18108), (15090, 17352)]