15245860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:401

約数の個数: 72

約数和(自身を含む): 38150784

約数和(自身を除く): 22904924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 49, 70, 94, 98, 140, 188, 196, 235, 245, 329, 331, 470, 490, 658, 662, 940, 980, 1316, 1324, 1645, 1655, 2303, 2317, 3290, 3310, 4606, 4634, 6580, 6620, 9212, 9268, 11515, 11585, 15557, 16219, 23030, 23170, 31114, 32438, 46060, 46340, 62228, 64876, 77785, 81095, 108899, 155570, 162190, 217798, 311140, 324380, 435596, 544495, 762293, 1088990, 1524586, 2177980, 3049172, 3811465, 7622930, 15245860]

約数ペア:

[(1, 15245860), (2, 7622930), (4, 3811465), (5, 3049172), (7, 2177980), (10, 1524586), (14, 1088990), (20, 762293), (28, 544495), (35, 435596), (47, 324380), (49, 311140), (70, 217798), (94, 162190), (98, 155570), (140, 108899), (188, 81095), (196, 77785), (235, 64876), (245, 62228), (329, 46340), (331, 46060), (470, 32438), (490, 31114), (658, 23170), (662, 23030), (940, 16219), (980, 15557), (1316, 11585), (1324, 11515), (1645, 9268), (1655, 9212), (2303, 6620), (2317, 6580), (3290, 4634), (3310, 4606)]