91821440

素因数分解:

$2^7\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2707}}^1$

素因数の和:2779

約数の個数: 64

約数和(自身を含む): 223734960

約数和(自身を除く): 131913520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 265, 320, 424, 530, 640, 848, 1060, 1696, 2120, 2707, 3392, 4240, 5414, 6784, 8480, 10828, 13535, 16960, 21656, 27070, 33920, 43312, 54140, 86624, 108280, 143471, 173248, 216560, 286942, 346496, 433120, 573884, 717355, 866240, 1147768, 1434710, 1732480, 2295536, 2869420, 4591072, 5738840, 9182144, 11477680, 18364288, 22955360, 45910720, 91821440]

約数ペア:

[(1, 91821440), (2, 45910720), (4, 22955360), (5, 18364288), (8, 11477680), (10, 9182144), (16, 5738840), (20, 4591072), (32, 2869420), (40, 2295536), (53, 1732480), (64, 1434710), (80, 1147768), (106, 866240), (128, 717355), (160, 573884), (212, 433120), (265, 346496), (320, 286942), (424, 216560), (530, 173248), (640, 143471), (848, 108280), (1060, 86624), (1696, 54140), (2120, 43312), (2707, 33920), (3392, 27070), (4240, 21656), (5414, 16960), (6784, 13535), (8480, 10828)]