61623040

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1553}}^1$

素因数の和:1605

約数の個数: 72

約数和(自身を含む): 152466048

約数和(自身を除く): 90843008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1553, 1984, 2480, 3106, 3968, 4960, 6212, 7765, 7936, 9920, 12424, 15530, 19840, 24848, 31060, 39680, 48143, 49696, 62120, 96286, 99392, 124240, 192572, 198784, 240715, 248480, 385144, 397568, 481430, 496960, 770288, 962860, 993920, 1540576, 1925720, 1987840, 3081152, 3851440, 6162304, 7702880, 12324608, 15405760, 30811520, 61623040]

約数ペア:

[(1, 61623040), (2, 30811520), (4, 15405760), (5, 12324608), (8, 7702880), (10, 6162304), (16, 3851440), (20, 3081152), (31, 1987840), (32, 1925720), (40, 1540576), (62, 993920), (64, 962860), (80, 770288), (124, 496960), (128, 481430), (155, 397568), (160, 385144), (248, 248480), (256, 240715), (310, 198784), (320, 192572), (496, 124240), (620, 99392), (640, 96286), (992, 62120), (1240, 49696), (1280, 48143), (1553, 39680), (1984, 31060), (2480, 24848), (3106, 19840), (3968, 15530), (4960, 12424), (6212, 9920), (7765, 7936)]