72310720

素因数分解:

$2^6\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2539}}^1$

素因数の和:2645

約数の個数: 56

約数和(自身を含む): 174193200

約数和(自身を除く): 101882480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 160, 178, 320, 356, 445, 712, 890, 1424, 1780, 2539, 2848, 3560, 5078, 5696, 7120, 10156, 12695, 14240, 20312, 25390, 28480, 40624, 50780, 81248, 101560, 162496, 203120, 225971, 406240, 451942, 812480, 903884, 1129855, 1807768, 2259710, 3615536, 4519420, 7231072, 9038840, 14462144, 18077680, 36155360, 72310720]

約数ペア:

[(1, 72310720), (2, 36155360), (4, 18077680), (5, 14462144), (8, 9038840), (10, 7231072), (16, 4519420), (20, 3615536), (32, 2259710), (40, 1807768), (64, 1129855), (80, 903884), (89, 812480), (160, 451942), (178, 406240), (320, 225971), (356, 203120), (445, 162496), (712, 101560), (890, 81248), (1424, 50780), (1780, 40624), (2539, 28480), (2848, 25390), (3560, 20312), (5078, 14240), (5696, 12695), (7120, 10156)]