198253560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{659}}^1$

素因数の和:805

約数の個数: 128

約数和(自身を含む): 627264000

約数和(自身を除く): 429010440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 109, 115, 120, 138, 184, 218, 230, 276, 327, 345, 436, 460, 545, 552, 654, 659, 690, 872, 920, 1090, 1308, 1318, 1380, 1635, 1977, 2180, 2507, 2616, 2636, 2760, 3270, 3295, 3954, 4360, 5014, 5272, 6540, 6590, 7521, 7908, 9885, 10028, 12535, 13080, 13180, 15042, 15157, 15816, 19770, 20056, 25070, 26360, 30084, 30314, 37605, 39540, 45471, 50140, 60168, 60628, 71831, 75210, 75785, 79080, 90942, 100280, 121256, 143662, 150420, 151570, 181884, 215493, 227355, 287324, 300840, 303140, 359155, 363768, 430986, 454710, 574648, 606280, 718310, 861972, 909420, 1077465, 1436620, 1652113, 1723944, 1818840, 2154930, 2873240, 3304226, 4309860, 4956339, 6608452, 8260565, 8619720, 9912678, 13216904, 16521130, 19825356, 24781695, 33042260, 39650712, 49563390, 66084520, 99126780, 198253560]

約数ペア:

[(1, 198253560), (2, 99126780), (3, 66084520), (4, 49563390), (5, 39650712), (6, 33042260), (8, 24781695), (10, 19825356), (12, 16521130), (15, 13216904), (20, 9912678), (23, 8619720), (24, 8260565), (30, 6608452), (40, 4956339), (46, 4309860), (60, 3304226), (69, 2873240), (92, 2154930), (109, 1818840), (115, 1723944), (120, 1652113), (138, 1436620), (184, 1077465), (218, 909420), (230, 861972), (276, 718310), (327, 606280), (345, 574648), (436, 454710), (460, 430986), (545, 363768), (552, 359155), (654, 303140), (659, 300840), (690, 287324), (872, 227355), (920, 215493), (1090, 181884), (1308, 151570), (1318, 150420), (1380, 143662), (1635, 121256), (1977, 100280), (2180, 90942), (2507, 79080), (2616, 75785), (2636, 75210), (2760, 71831), (3270, 60628), (3295, 60168), (3954, 50140), (4360, 45471), (5014, 39540), (5272, 37605), (6540, 30314), (6590, 30084), (7521, 26360), (7908, 25070), (9885, 20056), (10028, 19770), (12535, 15816), (13080, 15157), (13180, 15042)]