163587720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{457}}^1$

素因数の和:647

約数の個数: 128

約数和(自身を含む): 521020800

約数和(自身を除く): 357433080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 157, 190, 228, 285, 314, 380, 456, 457, 471, 570, 628, 760, 785, 914, 942, 1140, 1256, 1371, 1570, 1828, 1884, 2280, 2285, 2355, 2742, 2983, 3140, 3656, 3768, 4570, 4710, 5484, 5966, 6280, 6855, 8683, 8949, 9140, 9420, 10968, 11932, 13710, 14915, 17366, 17898, 18280, 18840, 23864, 26049, 27420, 29830, 34732, 35796, 43415, 44745, 52098, 54840, 59660, 69464, 71592, 71749, 86830, 89490, 104196, 119320, 130245, 143498, 173660, 178980, 208392, 215247, 260490, 286996, 347320, 357960, 358745, 430494, 520980, 573992, 717490, 860988, 1041960, 1076235, 1363231, 1434980, 1721976, 2152470, 2726462, 2869960, 4089693, 4304940, 5452924, 6816155, 8179386, 8609880, 10905848, 13632310, 16358772, 20448465, 27264620, 32717544, 40896930, 54529240, 81793860, 163587720]

約数ペア:

[(1, 163587720), (2, 81793860), (3, 54529240), (4, 40896930), (5, 32717544), (6, 27264620), (8, 20448465), (10, 16358772), (12, 13632310), (15, 10905848), (19, 8609880), (20, 8179386), (24, 6816155), (30, 5452924), (38, 4304940), (40, 4089693), (57, 2869960), (60, 2726462), (76, 2152470), (95, 1721976), (114, 1434980), (120, 1363231), (152, 1076235), (157, 1041960), (190, 860988), (228, 717490), (285, 573992), (314, 520980), (380, 430494), (456, 358745), (457, 357960), (471, 347320), (570, 286996), (628, 260490), (760, 215247), (785, 208392), (914, 178980), (942, 173660), (1140, 143498), (1256, 130245), (1371, 119320), (1570, 104196), (1828, 89490), (1884, 86830), (2280, 71749), (2285, 71592), (2355, 69464), (2742, 59660), (2983, 54840), (3140, 52098), (3656, 44745), (3768, 43415), (4570, 35796), (4710, 34732), (5484, 29830), (5966, 27420), (6280, 26049), (6855, 23864), (8683, 18840), (8949, 18280), (9140, 17898), (9420, 17366), (10968, 14915), (11932, 13710)]