201664920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2357}}^1$

素因数の和:2425

約数の個数: 128

約数和(自身を含む): 651939840

約数和(自身を除く): 450274920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 31, 40, 46, 60, 62, 69, 92, 93, 115, 120, 124, 138, 155, 184, 186, 230, 248, 276, 310, 345, 372, 460, 465, 552, 620, 690, 713, 744, 920, 930, 1240, 1380, 1426, 1860, 2139, 2357, 2760, 2852, 3565, 3720, 4278, 4714, 5704, 7071, 7130, 8556, 9428, 10695, 11785, 14142, 14260, 17112, 18856, 21390, 23570, 28284, 28520, 35355, 42780, 47140, 54211, 56568, 70710, 73067, 85560, 94280, 108422, 141420, 146134, 162633, 216844, 219201, 271055, 282840, 292268, 325266, 365335, 433688, 438402, 542110, 584536, 650532, 730670, 813165, 876804, 1084220, 1096005, 1301064, 1461340, 1626330, 1680541, 1753608, 2168440, 2192010, 2922680, 3252660, 3361082, 4384020, 5041623, 6505320, 6722164, 8402705, 8768040, 10083246, 13444328, 16805410, 20166492, 25208115, 33610820, 40332984, 50416230, 67221640, 100832460, 201664920]

約数ペア:

[(1, 201664920), (2, 100832460), (3, 67221640), (4, 50416230), (5, 40332984), (6, 33610820), (8, 25208115), (10, 20166492), (12, 16805410), (15, 13444328), (20, 10083246), (23, 8768040), (24, 8402705), (30, 6722164), (31, 6505320), (40, 5041623), (46, 4384020), (60, 3361082), (62, 3252660), (69, 2922680), (92, 2192010), (93, 2168440), (115, 1753608), (120, 1680541), (124, 1626330), (138, 1461340), (155, 1301064), (184, 1096005), (186, 1084220), (230, 876804), (248, 813165), (276, 730670), (310, 650532), (345, 584536), (372, 542110), (460, 438402), (465, 433688), (552, 365335), (620, 325266), (690, 292268), (713, 282840), (744, 271055), (920, 219201), (930, 216844), (1240, 162633), (1380, 146134), (1426, 141420), (1860, 108422), (2139, 94280), (2357, 85560), (2760, 73067), (2852, 70710), (3565, 56568), (3720, 54211), (4278, 47140), (4714, 42780), (5704, 35355), (7071, 28520), (7130, 28284), (8556, 23570), (9428, 21390), (10695, 18856), (11785, 17112), (14142, 14260)]