248407320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{4051}}^1$

素因数の和:4145

約数の個数: 128

約数和(自身を含む): 863562240

約数和(自身を除く): 615154920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 73, 84, 105, 120, 140, 146, 168, 210, 219, 280, 292, 365, 420, 438, 511, 584, 730, 840, 876, 1022, 1095, 1460, 1533, 1752, 2044, 2190, 2555, 2920, 3066, 4051, 4088, 4380, 5110, 6132, 7665, 8102, 8760, 10220, 12153, 12264, 15330, 16204, 20255, 20440, 24306, 28357, 30660, 32408, 40510, 48612, 56714, 60765, 61320, 81020, 85071, 97224, 113428, 121530, 141785, 162040, 170142, 226856, 243060, 283570, 295723, 340284, 425355, 486120, 567140, 591446, 680568, 850710, 887169, 1134280, 1182892, 1478615, 1701420, 1774338, 2070061, 2365784, 2957230, 3402840, 3548676, 4140122, 4435845, 5914460, 6210183, 7097352, 8280244, 8871690, 10350305, 11828920, 12420366, 16560488, 17743380, 20700610, 24840732, 31050915, 35486760, 41401220, 49681464, 62101830, 82802440, 124203660, 248407320]

約数ペア:

[(1, 248407320), (2, 124203660), (3, 82802440), (4, 62101830), (5, 49681464), (6, 41401220), (7, 35486760), (8, 31050915), (10, 24840732), (12, 20700610), (14, 17743380), (15, 16560488), (20, 12420366), (21, 11828920), (24, 10350305), (28, 8871690), (30, 8280244), (35, 7097352), (40, 6210183), (42, 5914460), (56, 4435845), (60, 4140122), (70, 3548676), (73, 3402840), (84, 2957230), (105, 2365784), (120, 2070061), (140, 1774338), (146, 1701420), (168, 1478615), (210, 1182892), (219, 1134280), (280, 887169), (292, 850710), (365, 680568), (420, 591446), (438, 567140), (511, 486120), (584, 425355), (730, 340284), (840, 295723), (876, 283570), (1022, 243060), (1095, 226856), (1460, 170142), (1533, 162040), (1752, 141785), (2044, 121530), (2190, 113428), (2555, 97224), (2920, 85071), (3066, 81020), (4051, 61320), (4088, 60765), (4380, 56714), (5110, 48612), (6132, 40510), (7665, 32408), (8102, 30660), (8760, 28357), (10220, 24306), (12153, 20440), (12264, 20255), (15330, 16204)]