73421440

素因数分解:

$2^7\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1289}}^1$

素因数の和:1397

約数の個数: 64

約数和(自身を含む): 177633000

約数和(自身を除く): 104211560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 320, 356, 445, 640, 712, 890, 1289, 1424, 1780, 2578, 2848, 3560, 5156, 5696, 6445, 7120, 10312, 11392, 12890, 14240, 20624, 25780, 28480, 41248, 51560, 56960, 82496, 103120, 114721, 164992, 206240, 229442, 412480, 458884, 573605, 824960, 917768, 1147210, 1835536, 2294420, 3671072, 4588840, 7342144, 9177680, 14684288, 18355360, 36710720, 73421440]

約数ペア:

[(1, 73421440), (2, 36710720), (4, 18355360), (5, 14684288), (8, 9177680), (10, 7342144), (16, 4588840), (20, 3671072), (32, 2294420), (40, 1835536), (64, 1147210), (80, 917768), (89, 824960), (128, 573605), (160, 458884), (178, 412480), (320, 229442), (356, 206240), (445, 164992), (640, 114721), (712, 103120), (890, 82496), (1289, 56960), (1424, 51560), (1780, 41248), (2578, 28480), (2848, 25780), (3560, 20624), (5156, 14240), (5696, 12890), (6445, 11392), (7120, 10312)]