31659880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{557}}^1$

素因数の和:611

約数の個数: 96

約数和(自身を含む): 85876200

約数和(自身を除く): 54216320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 49, 56, 58, 70, 98, 116, 140, 145, 196, 203, 232, 245, 280, 290, 392, 406, 490, 557, 580, 812, 980, 1015, 1114, 1160, 1421, 1624, 1960, 2030, 2228, 2785, 2842, 3899, 4060, 4456, 5570, 5684, 7105, 7798, 8120, 11140, 11368, 14210, 15596, 16153, 19495, 22280, 27293, 28420, 31192, 32306, 38990, 54586, 56840, 64612, 77980, 80765, 109172, 113071, 129224, 136465, 155960, 161530, 218344, 226142, 272930, 323060, 452284, 545860, 565355, 646120, 791497, 904568, 1091720, 1130710, 1582994, 2261420, 3165988, 3957485, 4522840, 6331976, 7914970, 15829940, 31659880]

約数ペア:

[(1, 31659880), (2, 15829940), (4, 7914970), (5, 6331976), (7, 4522840), (8, 3957485), (10, 3165988), (14, 2261420), (20, 1582994), (28, 1130710), (29, 1091720), (35, 904568), (40, 791497), (49, 646120), (56, 565355), (58, 545860), (70, 452284), (98, 323060), (116, 272930), (140, 226142), (145, 218344), (196, 161530), (203, 155960), (232, 136465), (245, 129224), (280, 113071), (290, 109172), (392, 80765), (406, 77980), (490, 64612), (557, 56840), (580, 54586), (812, 38990), (980, 32306), (1015, 31192), (1114, 28420), (1160, 27293), (1421, 22280), (1624, 19495), (1960, 16153), (2030, 15596), (2228, 14210), (2785, 11368), (2842, 11140), (3899, 8120), (4060, 7798), (4456, 7105), (5570, 5684)]