72406720

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11909}}^1$

素因数の和:11945

約数の個数: 56

約数和(自身を含む): 181508400

約数和(自身を除く): 109101680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 6080, 11909, 23818, 47636, 59545, 95272, 119090, 190544, 226271, 238180, 381088, 452542, 476360, 762176, 905084, 952720, 1131355, 1810168, 1905440, 2262710, 3620336, 3810880, 4525420, 7240672, 9050840, 14481344, 18101680, 36203360, 72406720]

約数ペア:

[(1, 72406720), (2, 36203360), (4, 18101680), (5, 14481344), (8, 9050840), (10, 7240672), (16, 4525420), (19, 3810880), (20, 3620336), (32, 2262710), (38, 1905440), (40, 1810168), (64, 1131355), (76, 952720), (80, 905084), (95, 762176), (152, 476360), (160, 452542), (190, 381088), (304, 238180), (320, 226271), (380, 190544), (608, 119090), (760, 95272), (1216, 59545), (1520, 47636), (3040, 23818), (6080, 11909)]