73649920

素因数分解:

$2^8\times 5^1\times {\mathrm{163}}^1\times {\mathrm{353}}^1$

素因数の和:537

約数の個数: 72

約数和(自身を含む): 177999696

約数和(自身を除く): 104349776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 163, 256, 320, 326, 353, 640, 652, 706, 815, 1280, 1304, 1412, 1630, 1765, 2608, 2824, 3260, 3530, 5216, 5648, 6520, 7060, 10432, 11296, 13040, 14120, 20864, 22592, 26080, 28240, 41728, 45184, 52160, 56480, 57539, 90368, 104320, 112960, 115078, 208640, 225920, 230156, 287695, 451840, 460312, 575390, 920624, 1150780, 1841248, 2301560, 3682496, 4603120, 7364992, 9206240, 14729984, 18412480, 36824960, 73649920]

約数ペア:

[(1, 73649920), (2, 36824960), (4, 18412480), (5, 14729984), (8, 9206240), (10, 7364992), (16, 4603120), (20, 3682496), (32, 2301560), (40, 1841248), (64, 1150780), (80, 920624), (128, 575390), (160, 460312), (163, 451840), (256, 287695), (320, 230156), (326, 225920), (353, 208640), (640, 115078), (652, 112960), (706, 104320), (815, 90368), (1280, 57539), (1304, 56480), (1412, 52160), (1630, 45184), (1765, 41728), (2608, 28240), (2824, 26080), (3260, 22592), (3530, 20864), (5216, 14120), (5648, 13040), (6520, 11296), (7060, 10432)]