157354720

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:173

約数の個数: 144

約数和(自身を含む): 409410288

約数和(自身を除く): 252055568

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 41, 68, 80, 82, 83, 85, 136, 160, 164, 166, 170, 205, 272, 289, 328, 332, 340, 410, 415, 544, 578, 656, 664, 680, 697, 820, 830, 1156, 1312, 1328, 1360, 1394, 1411, 1445, 1640, 1660, 2312, 2656, 2720, 2788, 2822, 2890, 3280, 3320, 3403, 3485, 4624, 5576, 5644, 5780, 6560, 6640, 6806, 6970, 7055, 9248, 11152, 11288, 11560, 11849, 13280, 13612, 13940, 14110, 17015, 22304, 22576, 23120, 23698, 23987, 27224, 27880, 28220, 34030, 45152, 46240, 47396, 47974, 54448, 55760, 56440, 57851, 59245, 68060, 94792, 95948, 108896, 111520, 112880, 115702, 118490, 119935, 136120, 189584, 191896, 225760, 231404, 236980, 239870, 272240, 289255, 379168, 383792, 462808, 473960, 479740, 544480, 578510, 767584, 925616, 947920, 959480, 983467, 1157020, 1851232, 1895840, 1918960, 1966934, 2314040, 3837920, 3933868, 4628080, 4917335, 7867736, 9256160, 9834670, 15735472, 19669340, 31470944, 39338680, 78677360, 157354720]

約数ペア:

[(1, 157354720), (2, 78677360), (4, 39338680), (5, 31470944), (8, 19669340), (10, 15735472), (16, 9834670), (17, 9256160), (20, 7867736), (32, 4917335), (34, 4628080), (40, 3933868), (41, 3837920), (68, 2314040), (80, 1966934), (82, 1918960), (83, 1895840), (85, 1851232), (136, 1157020), (160, 983467), (164, 959480), (166, 947920), (170, 925616), (205, 767584), (272, 578510), (289, 544480), (328, 479740), (332, 473960), (340, 462808), (410, 383792), (415, 379168), (544, 289255), (578, 272240), (656, 239870), (664, 236980), (680, 231404), (697, 225760), (820, 191896), (830, 189584), (1156, 136120), (1312, 119935), (1328, 118490), (1360, 115702), (1394, 112880), (1411, 111520), (1445, 108896), (1640, 95948), (1660, 94792), (2312, 68060), (2656, 59245), (2720, 57851), (2788, 56440), (2822, 55760), (2890, 54448), (3280, 47974), (3320, 47396), (3403, 46240), (3485, 45152), (4624, 34030), (5576, 28220), (5644, 27880), (5780, 27224), (6560, 23987), (6640, 23698), (6806, 23120), (6970, 22576), (7055, 22304), (9248, 17015), (11152, 14110), (11288, 13940), (11560, 13612), (11849, 13280)]