15405760

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1553}}^1$

素因数の和:1601

約数の個数: 56

約数和(自身を含む): 37892736

約数和(自身を除く): 22486976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1553, 1984, 2480, 3106, 4960, 6212, 7765, 9920, 12424, 15530, 24848, 31060, 48143, 49696, 62120, 96286, 99392, 124240, 192572, 240715, 248480, 385144, 481430, 496960, 770288, 962860, 1540576, 1925720, 3081152, 3851440, 7702880, 15405760]

約数ペア:

[(1, 15405760), (2, 7702880), (4, 3851440), (5, 3081152), (8, 1925720), (10, 1540576), (16, 962860), (20, 770288), (31, 496960), (32, 481430), (40, 385144), (62, 248480), (64, 240715), (80, 192572), (124, 124240), (155, 99392), (160, 96286), (248, 62120), (310, 49696), (320, 48143), (496, 31060), (620, 24848), (992, 15530), (1240, 12424), (1553, 9920), (1984, 7765), (2480, 6212), (3106, 4960)]