15694219760

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1321}}^1\times {\mathrm{1531}}^1$

素因数の和:2962

約数の個数: 80

約数和(自身を含む): 36917241312

約数和(自身を除く): 21223021552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1321, 1531, 1552, 1940, 2642, 3062, 3880, 5284, 6124, 6605, 7655, 7760, 10568, 12248, 13210, 15310, 21136, 24496, 26420, 30620, 52840, 61240, 105680, 122480, 128137, 148507, 256274, 297014, 512548, 594028, 640685, 742535, 1025096, 1188056, 1281370, 1485070, 2022451, 2050192, 2376112, 2562740, 2970140, 4044902, 5125480, 5940280, 8089804, 10112255, 10250960, 11880560, 16179608, 20224510, 32359216, 40449020, 80898040, 161796080, 196177747, 392355494, 784710988, 980888735, 1569421976, 1961777470, 3138843952, 3923554940, 7847109880, 15694219760]

約数ペア:

[(1, 15694219760), (2, 7847109880), (4, 3923554940), (5, 3138843952), (8, 1961777470), (10, 1569421976), (16, 980888735), (20, 784710988), (40, 392355494), (80, 196177747), (97, 161796080), (194, 80898040), (388, 40449020), (485, 32359216), (776, 20224510), (970, 16179608), (1321, 11880560), (1531, 10250960), (1552, 10112255), (1940, 8089804), (2642, 5940280), (3062, 5125480), (3880, 4044902), (5284, 2970140), (6124, 2562740), (6605, 2376112), (7655, 2050192), (7760, 2022451), (10568, 1485070), (12248, 1281370), (13210, 1188056), (15310, 1025096), (21136, 742535), (24496, 640685), (26420, 594028), (30620, 512548), (52840, 297014), (61240, 256274), (105680, 148507), (122480, 128137)]