231756560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{743}}^1$

素因数の和:1320

約数の個数: 80

約数和(自身を含む): 617746176

約数和(自身を除く): 385989616

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 557, 560, 743, 1114, 1486, 2228, 2785, 2972, 3715, 3899, 4456, 5201, 5570, 5944, 7430, 7798, 8912, 10402, 11140, 11888, 14860, 15596, 19495, 20804, 22280, 26005, 29720, 31192, 38990, 41608, 44560, 52010, 59440, 62384, 77980, 83216, 104020, 155960, 208040, 311920, 413851, 416080, 827702, 1655404, 2069255, 2896957, 3310808, 4138510, 5793914, 6621616, 8277020, 11587828, 14484785, 16554040, 23175656, 28969570, 33108080, 46351312, 57939140, 115878280, 231756560]

約数ペア:

[(1, 231756560), (2, 115878280), (4, 57939140), (5, 46351312), (7, 33108080), (8, 28969570), (10, 23175656), (14, 16554040), (16, 14484785), (20, 11587828), (28, 8277020), (35, 6621616), (40, 5793914), (56, 4138510), (70, 3310808), (80, 2896957), (112, 2069255), (140, 1655404), (280, 827702), (557, 416080), (560, 413851), (743, 311920), (1114, 208040), (1486, 155960), (2228, 104020), (2785, 83216), (2972, 77980), (3715, 62384), (3899, 59440), (4456, 52010), (5201, 44560), (5570, 41608), (5944, 38990), (7430, 31192), (7798, 29720), (8912, 26005), (10402, 22280), (11140, 20804), (11888, 19495), (14860, 15596)]