201501680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{647}}^1$

素因数の和:906

約数の個数: 80

約数和(自身を含む): 498985920

約数和(自身を除く): 297484240

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 229, 272, 340, 458, 647, 680, 916, 1145, 1294, 1360, 1832, 2290, 2588, 3235, 3664, 3893, 4580, 5176, 6470, 7786, 9160, 10352, 10999, 12940, 15572, 18320, 19465, 21998, 25880, 31144, 38930, 43996, 51760, 54995, 62288, 77860, 87992, 109990, 148163, 155720, 175984, 219980, 296326, 311440, 439960, 592652, 740815, 879920, 1185304, 1481630, 2370608, 2518771, 2963260, 5037542, 5926520, 10075084, 11853040, 12593855, 20150168, 25187710, 40300336, 50375420, 100750840, 201501680]

約数ペア:

[(1, 201501680), (2, 100750840), (4, 50375420), (5, 40300336), (8, 25187710), (10, 20150168), (16, 12593855), (17, 11853040), (20, 10075084), (34, 5926520), (40, 5037542), (68, 2963260), (80, 2518771), (85, 2370608), (136, 1481630), (170, 1185304), (229, 879920), (272, 740815), (340, 592652), (458, 439960), (647, 311440), (680, 296326), (916, 219980), (1145, 175984), (1294, 155720), (1360, 148163), (1832, 109990), (2290, 87992), (2588, 77860), (3235, 62288), (3664, 54995), (3893, 51760), (4580, 43996), (5176, 38930), (6470, 31144), (7786, 25880), (9160, 21998), (10352, 19465), (10999, 18320), (12940, 15572)]