438165780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{18121}}^1$

素因数の和:18177

約数の個数: 96

約数和(自身を含む): 1363934208

約数和(自身を除く): 925768428

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 186, 195, 260, 310, 372, 390, 403, 465, 620, 780, 806, 930, 1209, 1612, 1860, 2015, 2418, 4030, 4836, 6045, 8060, 12090, 18121, 24180, 36242, 54363, 72484, 90605, 108726, 181210, 217452, 235573, 271815, 362420, 471146, 543630, 561751, 706719, 942292, 1087260, 1123502, 1177865, 1413438, 1685253, 2247004, 2355730, 2808755, 2826876, 3370506, 3533595, 4711460, 5617510, 6741012, 7067190, 7302763, 8426265, 11235020, 14134380, 14605526, 16852530, 21908289, 29211052, 33705060, 36513815, 43816578, 73027630, 87633156, 109541445, 146055260, 219082890, 438165780]

約数ペア:

[(1, 438165780), (2, 219082890), (3, 146055260), (4, 109541445), (5, 87633156), (6, 73027630), (10, 43816578), (12, 36513815), (13, 33705060), (15, 29211052), (20, 21908289), (26, 16852530), (30, 14605526), (31, 14134380), (39, 11235020), (52, 8426265), (60, 7302763), (62, 7067190), (65, 6741012), (78, 5617510), (93, 4711460), (124, 3533595), (130, 3370506), (155, 2826876), (156, 2808755), (186, 2355730), (195, 2247004), (260, 1685253), (310, 1413438), (372, 1177865), (390, 1123502), (403, 1087260), (465, 942292), (620, 706719), (780, 561751), (806, 543630), (930, 471146), (1209, 362420), (1612, 271815), (1860, 235573), (2015, 217452), (2418, 181210), (4030, 108726), (4836, 90605), (6045, 72484), (8060, 54363), (12090, 36242), (18121, 24180)]