64968220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:247

約数の個数: 96

約数和(自身を含む): 155131200

約数和(自身を除く): 90162980

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 89, 95, 113, 170, 178, 190, 226, 323, 340, 356, 380, 445, 452, 565, 646, 890, 1130, 1292, 1513, 1615, 1691, 1780, 1921, 2147, 2260, 3026, 3230, 3382, 3842, 4294, 6052, 6460, 6764, 7565, 7684, 8455, 8588, 9605, 10057, 10735, 15130, 16910, 19210, 20114, 21470, 28747, 30260, 33820, 36499, 38420, 40228, 42940, 50285, 57494, 72998, 100570, 114988, 143735, 145996, 170969, 182495, 191083, 201140, 287470, 341938, 364990, 382166, 574940, 683876, 729980, 764332, 854845, 955415, 1709690, 1910830, 3248411, 3419380, 3821660, 6496822, 12993644, 16242055, 32484110, 64968220]

約数ペア:

[(1, 64968220), (2, 32484110), (4, 16242055), (5, 12993644), (10, 6496822), (17, 3821660), (19, 3419380), (20, 3248411), (34, 1910830), (38, 1709690), (68, 955415), (76, 854845), (85, 764332), (89, 729980), (95, 683876), (113, 574940), (170, 382166), (178, 364990), (190, 341938), (226, 287470), (323, 201140), (340, 191083), (356, 182495), (380, 170969), (445, 145996), (452, 143735), (565, 114988), (646, 100570), (890, 72998), (1130, 57494), (1292, 50285), (1513, 42940), (1615, 40228), (1691, 38420), (1780, 36499), (1921, 33820), (2147, 30260), (2260, 28747), (3026, 21470), (3230, 20114), (3382, 19210), (3842, 16910), (4294, 15130), (6052, 10735), (6460, 10057), (6764, 9605), (7565, 8588), (7684, 8455)]