287331520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{128273}}^1$

素因数の和:128297

約数の個数: 56

約数和(自身を含む): 781958304

約数和(自身を除く): 494626784

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 128273, 256546, 513092, 641365, 897911, 1026184, 1282730, 1795822, 2052368, 2565460, 3591644, 4104736, 4489555, 5130920, 7183288, 8209472, 8979110, 10261840, 14366576, 17958220, 20523680, 28733152, 35916440, 41047360, 57466304, 71832880, 143665760, 287331520]

約数ペア:

[(1, 287331520), (2, 143665760), (4, 71832880), (5, 57466304), (7, 41047360), (8, 35916440), (10, 28733152), (14, 20523680), (16, 17958220), (20, 14366576), (28, 10261840), (32, 8979110), (35, 8209472), (40, 7183288), (56, 5130920), (64, 4489555), (70, 4104736), (80, 3591644), (112, 2565460), (140, 2052368), (160, 1795822), (224, 1282730), (280, 1026184), (320, 897911), (448, 641365), (560, 513092), (1120, 256546), (2240, 128273)]