39860820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3119}}^1$

素因数の和:3205

約数の個数: 72

約数和(自身を含む): 122653440

約数和(自身を除く): 82792620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3119, 3195, 4260, 6238, 6390, 9357, 12476, 12780, 15595, 18714, 28071, 31190, 37428, 46785, 56142, 62380, 93570, 112284, 140355, 187140, 221449, 280710, 442898, 561420, 664347, 885796, 1107245, 1328694, 1993041, 2214490, 2657388, 3321735, 3986082, 4428980, 6643470, 7972164, 9965205, 13286940, 19930410, 39860820]

約数ペア:

[(1, 39860820), (2, 19930410), (3, 13286940), (4, 9965205), (5, 7972164), (6, 6643470), (9, 4428980), (10, 3986082), (12, 3321735), (15, 2657388), (18, 2214490), (20, 1993041), (30, 1328694), (36, 1107245), (45, 885796), (60, 664347), (71, 561420), (90, 442898), (142, 280710), (180, 221449), (213, 187140), (284, 140355), (355, 112284), (426, 93570), (639, 62380), (710, 56142), (852, 46785), (1065, 37428), (1278, 31190), (1420, 28071), (2130, 18714), (2556, 15595), (3119, 12780), (3195, 12476), (4260, 9357), (6238, 6390)]