15391320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:345

約数の個数: 128

約数和(自身を含む): 53706240

約数和(自身を除く): 38314920

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, 251, 280, 292, 365, 420, 438, 502, 511, 584, 730, 753, 840, 876, 1004, 1022, 1095, 1255, 1460, 1506, 1533, 1752, 1757, 2008, 2044, 2190, 2510, 2555, 2920, 3012, 3066, 3514, 3765, 4088, 4380, 5020, 5110, 5271, 6024, 6132, 7028, 7530, 7665, 8760, 8785, 10040, 10220, 10542, 12264, 14056, 15060, 15330, 17570, 18323, 20440, 21084, 26355, 30120, 30660, 35140, 36646, 42168, 52710, 54969, 61320, 70280, 73292, 91615, 105420, 109938, 128261, 146584, 183230, 210840, 219876, 256522, 274845, 366460, 384783, 439752, 513044, 549690, 641305, 732920, 769566, 1026088, 1099380, 1282610, 1539132, 1923915, 2198760, 2565220, 3078264, 3847830, 5130440, 7695660, 15391320]

約数ペア:

[(1, 15391320), (2, 7695660), (3, 5130440), (4, 3847830), (5, 3078264), (6, 2565220), (7, 2198760), (8, 1923915), (10, 1539132), (12, 1282610), (14, 1099380), (15, 1026088), (20, 769566), (21, 732920), (24, 641305), (28, 549690), (30, 513044), (35, 439752), (40, 384783), (42, 366460), (56, 274845), (60, 256522), (70, 219876), (73, 210840), (84, 183230), (105, 146584), (120, 128261), (140, 109938), (146, 105420), (168, 91615), (210, 73292), (219, 70280), (251, 61320), (280, 54969), (292, 52710), (365, 42168), (420, 36646), (438, 35140), (502, 30660), (511, 30120), (584, 26355), (730, 21084), (753, 20440), (840, 18323), (876, 17570), (1004, 15330), (1022, 15060), (1095, 14056), (1255, 12264), (1460, 10542), (1506, 10220), (1533, 10040), (1752, 8785), (1757, 8760), (2008, 7665), (2044, 7530), (2190, 7028), (2510, 6132), (2555, 6024), (2920, 5271), (3012, 5110), (3066, 5020), (3514, 4380), (3765, 4088)]