159951680

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{101}}^2$

素因数の和:233

約数の個数: 126

約数和(自身を含む): 447500502

約数和(自身を除く): 287548822

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 101, 112, 140, 160, 196, 202, 224, 245, 280, 320, 392, 404, 448, 490, 505, 560, 707, 784, 808, 980, 1010, 1120, 1414, 1568, 1616, 1960, 2020, 2240, 2828, 3136, 3232, 3535, 3920, 4040, 4949, 5656, 6464, 7070, 7840, 8080, 9898, 10201, 11312, 14140, 15680, 16160, 19796, 20402, 22624, 24745, 28280, 32320, 39592, 40804, 45248, 49490, 51005, 56560, 71407, 79184, 81608, 98980, 102010, 113120, 142814, 158368, 163216, 197960, 204020, 226240, 285628, 316736, 326432, 357035, 395920, 408040, 499849, 571256, 652864, 714070, 791840, 816080, 999698, 1142512, 1428140, 1583680, 1632160, 1999396, 2285024, 2499245, 2856280, 3264320, 3998792, 4570048, 4998490, 5712560, 7997584, 9996980, 11425120, 15995168, 19993960, 22850240, 31990336, 39987920, 79975840, 159951680]

約数ペア:

[(1, 159951680), (2, 79975840), (4, 39987920), (5, 31990336), (7, 22850240), (8, 19993960), (10, 15995168), (14, 11425120), (16, 9996980), (20, 7997584), (28, 5712560), (32, 4998490), (35, 4570048), (40, 3998792), (49, 3264320), (56, 2856280), (64, 2499245), (70, 2285024), (80, 1999396), (98, 1632160), (101, 1583680), (112, 1428140), (140, 1142512), (160, 999698), (196, 816080), (202, 791840), (224, 714070), (245, 652864), (280, 571256), (320, 499849), (392, 408040), (404, 395920), (448, 357035), (490, 326432), (505, 316736), (560, 285628), (707, 226240), (784, 204020), (808, 197960), (980, 163216), (1010, 158368), (1120, 142814), (1414, 113120), (1568, 102010), (1616, 98980), (1960, 81608), (2020, 79184), (2240, 71407), (2828, 56560), (3136, 51005), (3232, 49490), (3535, 45248), (3920, 40804), (4040, 39592), (4949, 32320), (5656, 28280), (6464, 24745), (7070, 22624), (7840, 20402), (8080, 19796), (9898, 16160), (10201, 15680), (11312, 14140)]