81616680

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{75571}}^1$

素因数の和:75591

約数の個数: 64

約数和(自身を含む): 272059200

約数和(自身を除く): 190442520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 75571, 151142, 226713, 302284, 377855, 453426, 604568, 680139, 755710, 906852, 1133565, 1360278, 1511420, 1813704, 2040417, 2267130, 2720556, 3022840, 3400695, 4080834, 4534260, 5441112, 6801390, 8161668, 9068520, 10202085, 13602780, 16323336, 20404170, 27205560, 40808340, 81616680]

約数ペア:

[(1, 81616680), (2, 40808340), (3, 27205560), (4, 20404170), (5, 16323336), (6, 13602780), (8, 10202085), (9, 9068520), (10, 8161668), (12, 6801390), (15, 5441112), (18, 4534260), (20, 4080834), (24, 3400695), (27, 3022840), (30, 2720556), (36, 2267130), (40, 2040417), (45, 1813704), (54, 1511420), (60, 1360278), (72, 1133565), (90, 906852), (108, 755710), (120, 680139), (135, 604568), (180, 453426), (216, 377855), (270, 302284), (360, 226713), (540, 151142), (1080, 75571)]