257974920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{613}}^1$

素因数の和:804

約数の個数: 192

約数和(自身を含む): 965502720

約数和(自身を除く): 707527800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 167, 168, 180, 210, 252, 280, 315, 334, 360, 420, 501, 504, 613, 630, 668, 835, 840, 1002, 1169, 1226, 1260, 1336, 1503, 1670, 1839, 2004, 2338, 2452, 2505, 2520, 3006, 3065, 3340, 3507, 3678, 4008, 4291, 4676, 4904, 5010, 5517, 5845, 6012, 6130, 6680, 7014, 7356, 7515, 8582, 9195, 9352, 10020, 10521, 11034, 11690, 12024, 12260, 12873, 14028, 14712, 15030, 17164, 17535, 18390, 20040, 21042, 21455, 22068, 23380, 24520, 25746, 27585, 28056, 30060, 34328, 35070, 36780, 38619, 42084, 42910, 44136, 46760, 51492, 52605, 55170, 60120, 64365, 70140, 73560, 77238, 84168, 85820, 102371, 102984, 105210, 110340, 128730, 140280, 154476, 171640, 193095, 204742, 210420, 220680, 257460, 307113, 308952, 386190, 409484, 420840, 511855, 514920, 614226, 716597, 772380, 818968, 921339, 1023710, 1228452, 1433194, 1535565, 1544760, 1842678, 2047420, 2149791, 2456904, 2866388, 3071130, 3582985, 3685356, 4094840, 4299582, 4606695, 5732776, 6142260, 6449373, 7165970, 7370712, 8599164, 9213390, 10748955, 12284520, 12898746, 14331940, 17198328, 18426780, 21497910, 25797492, 28663880, 32246865, 36853560, 42995820, 51594984, 64493730, 85991640, 128987460, 257974920]

約数ペア:

[(1, 257974920), (2, 128987460), (3, 85991640), (4, 64493730), (5, 51594984), (6, 42995820), (7, 36853560), (8, 32246865), (9, 28663880), (10, 25797492), (12, 21497910), (14, 18426780), (15, 17198328), (18, 14331940), (20, 12898746), (21, 12284520), (24, 10748955), (28, 9213390), (30, 8599164), (35, 7370712), (36, 7165970), (40, 6449373), (42, 6142260), (45, 5732776), (56, 4606695), (60, 4299582), (63, 4094840), (70, 3685356), (72, 3582985), (84, 3071130), (90, 2866388), (105, 2456904), (120, 2149791), (126, 2047420), (140, 1842678), (167, 1544760), (168, 1535565), (180, 1433194), (210, 1228452), (252, 1023710), (280, 921339), (315, 818968), (334, 772380), (360, 716597), (420, 614226), (501, 514920), (504, 511855), (613, 420840), (630, 409484), (668, 386190), (835, 308952), (840, 307113), (1002, 257460), (1169, 220680), (1226, 210420), (1260, 204742), (1336, 193095), (1503, 171640), (1670, 154476), (1839, 140280), (2004, 128730), (2338, 110340), (2452, 105210), (2505, 102984), (2520, 102371), (3006, 85820), (3065, 84168), (3340, 77238), (3507, 73560), (3678, 70140), (4008, 64365), (4291, 60120), (4676, 55170), (4904, 52605), (5010, 51492), (5517, 46760), (5845, 44136), (6012, 42910), (6130, 42084), (6680, 38619), (7014, 36780), (7356, 35070), (7515, 34328), (8582, 30060), (9195, 28056), (9352, 27585), (10020, 25746), (10521, 24520), (11034, 23380), (11690, 22068), (12024, 21455), (12260, 21042), (12873, 20040), (14028, 18390), (14712, 17535), (15030, 17164)]