155428420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{607}}^1$

素因数の和:713

約数の個数: 96

約数和(自身を含む): 392232960

約数和(自身を除く): 236804540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 59, 62, 70, 118, 124, 140, 155, 217, 236, 295, 310, 413, 434, 590, 607, 620, 826, 868, 1085, 1180, 1214, 1652, 1829, 2065, 2170, 2428, 3035, 3658, 4130, 4249, 4340, 6070, 7316, 8260, 8498, 9145, 12140, 12803, 16996, 18290, 18817, 21245, 25606, 35813, 36580, 37634, 42490, 51212, 64015, 71626, 75268, 84980, 94085, 128030, 131719, 143252, 179065, 188170, 250691, 256060, 263438, 358130, 376340, 501382, 526876, 658595, 716260, 1002764, 1110203, 1253455, 1317190, 2220406, 2506910, 2634380, 4440812, 5013820, 5551015, 7771421, 11102030, 15542842, 22204060, 31085684, 38857105, 77714210, 155428420]

約数ペア:

[(1, 155428420), (2, 77714210), (4, 38857105), (5, 31085684), (7, 22204060), (10, 15542842), (14, 11102030), (20, 7771421), (28, 5551015), (31, 5013820), (35, 4440812), (59, 2634380), (62, 2506910), (70, 2220406), (118, 1317190), (124, 1253455), (140, 1110203), (155, 1002764), (217, 716260), (236, 658595), (295, 526876), (310, 501382), (413, 376340), (434, 358130), (590, 263438), (607, 256060), (620, 250691), (826, 188170), (868, 179065), (1085, 143252), (1180, 131719), (1214, 128030), (1652, 94085), (1829, 84980), (2065, 75268), (2170, 71626), (2428, 64015), (3035, 51212), (3658, 42490), (4130, 37634), (4249, 36580), (4340, 35813), (6070, 25606), (7316, 21245), (8260, 18817), (8498, 18290), (9145, 16996), (12140, 12803)]