407301960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1663}}^1$

素因数の和:1847

約数の個数: 128

約数和(自身を含む): 1325076480

約数和(自身を除く): 917774520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 157, 195, 260, 312, 314, 390, 471, 520, 628, 780, 785, 942, 1256, 1560, 1570, 1663, 1884, 2041, 2355, 3140, 3326, 3768, 4082, 4710, 4989, 6123, 6280, 6652, 8164, 8315, 9420, 9978, 10205, 12246, 13304, 16328, 16630, 18840, 19956, 20410, 21619, 24492, 24945, 30615, 33260, 39912, 40820, 43238, 48984, 49890, 61230, 64857, 66520, 81640, 86476, 99780, 108095, 122460, 129714, 172952, 199560, 216190, 244920, 259428, 261091, 324285, 432380, 518856, 522182, 648570, 783273, 864760, 1044364, 1297140, 1305455, 1566546, 2088728, 2594280, 2610910, 3133092, 3394183, 3916365, 5221820, 6266184, 6788366, 7832730, 10182549, 10443640, 13576732, 15665460, 16970915, 20365098, 27153464, 31330920, 33941830, 40730196, 50912745, 67883660, 81460392, 101825490, 135767320, 203650980, 407301960]

約数ペア:

[(1, 407301960), (2, 203650980), (3, 135767320), (4, 101825490), (5, 81460392), (6, 67883660), (8, 50912745), (10, 40730196), (12, 33941830), (13, 31330920), (15, 27153464), (20, 20365098), (24, 16970915), (26, 15665460), (30, 13576732), (39, 10443640), (40, 10182549), (52, 7832730), (60, 6788366), (65, 6266184), (78, 5221820), (104, 3916365), (120, 3394183), (130, 3133092), (156, 2610910), (157, 2594280), (195, 2088728), (260, 1566546), (312, 1305455), (314, 1297140), (390, 1044364), (471, 864760), (520, 783273), (628, 648570), (780, 522182), (785, 518856), (942, 432380), (1256, 324285), (1560, 261091), (1570, 259428), (1663, 244920), (1884, 216190), (2041, 199560), (2355, 172952), (3140, 129714), (3326, 122460), (3768, 108095), (4082, 99780), (4710, 86476), (4989, 81640), (6123, 66520), (6280, 64857), (6652, 61230), (8164, 49890), (8315, 48984), (9420, 43238), (9978, 40820), (10205, 39912), (12246, 33260), (13304, 30615), (16328, 24945), (16630, 24492), (18840, 21619), (19956, 20410)]