72346880

素因数分解:

$2^8\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1949}}^1$

素因数の和:1999

約数の個数: 72

約数和(自身を含む): 179361000

約数和(自身を除く): 107014120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 290, 320, 464, 580, 640, 928, 1160, 1280, 1856, 1949, 2320, 3712, 3898, 4640, 7424, 7796, 9280, 9745, 15592, 18560, 19490, 31184, 37120, 38980, 56521, 62368, 77960, 113042, 124736, 155920, 226084, 249472, 282605, 311840, 452168, 498944, 565210, 623680, 904336, 1130420, 1247360, 1808672, 2260840, 2494720, 3617344, 4521680, 7234688, 9043360, 14469376, 18086720, 36173440, 72346880]

約数ペア:

[(1, 72346880), (2, 36173440), (4, 18086720), (5, 14469376), (8, 9043360), (10, 7234688), (16, 4521680), (20, 3617344), (29, 2494720), (32, 2260840), (40, 1808672), (58, 1247360), (64, 1130420), (80, 904336), (116, 623680), (128, 565210), (145, 498944), (160, 452168), (232, 311840), (256, 282605), (290, 249472), (320, 226084), (464, 155920), (580, 124736), (640, 113042), (928, 77960), (1160, 62368), (1280, 56521), (1856, 38980), (1949, 37120), (2320, 31184), (3712, 19490), (3898, 18560), (4640, 15592), (7424, 9745), (7796, 9280)]