64307020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:215

約数の個数: 96

約数和(自身を含む): 150958080

約数和(自身を除く): 86651060

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 53, 62, 76, 95, 103, 106, 124, 155, 190, 206, 212, 265, 310, 380, 412, 515, 530, 589, 620, 1007, 1030, 1060, 1178, 1643, 1957, 2014, 2060, 2356, 2945, 3193, 3286, 3914, 4028, 5035, 5459, 5890, 6386, 6572, 7828, 8215, 9785, 10070, 10918, 11780, 12772, 15965, 16430, 19570, 20140, 21836, 27295, 31217, 31930, 32860, 39140, 54590, 60667, 62434, 63860, 103721, 109180, 121334, 124868, 156085, 169229, 207442, 242668, 303335, 312170, 338458, 414884, 518605, 606670, 624340, 676916, 846145, 1037210, 1213340, 1692290, 2074420, 3215351, 3384580, 6430702, 12861404, 16076755, 32153510, 64307020]

約数ペア:

[(1, 64307020), (2, 32153510), (4, 16076755), (5, 12861404), (10, 6430702), (19, 3384580), (20, 3215351), (31, 2074420), (38, 1692290), (53, 1213340), (62, 1037210), (76, 846145), (95, 676916), (103, 624340), (106, 606670), (124, 518605), (155, 414884), (190, 338458), (206, 312170), (212, 303335), (265, 242668), (310, 207442), (380, 169229), (412, 156085), (515, 124868), (530, 121334), (589, 109180), (620, 103721), (1007, 63860), (1030, 62434), (1060, 60667), (1178, 54590), (1643, 39140), (1957, 32860), (2014, 31930), (2060, 31217), (2356, 27295), (2945, 21836), (3193, 20140), (3286, 19570), (3914, 16430), (4028, 15965), (5035, 12772), (5459, 11780), (5890, 10918), (6386, 10070), (6572, 9785), (7828, 8215)]