640734048

素因数分解:

$2^5\times 3^2\times {\mathrm{653}}^1\times {\mathrm{3407}}^1$

素因数の和:4076

約数の個数: 72

約数和(自身を含む): 1825413408

約数和(自身を除く): 1184679360

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 653, 1306, 1959, 2612, 3407, 3918, 5224, 5877, 6814, 7836, 10221, 10448, 11754, 13628, 15672, 20442, 20896, 23508, 27256, 30663, 31344, 40884, 47016, 54512, 61326, 62688, 81768, 94032, 109024, 122652, 163536, 188064, 245304, 327072, 490608, 981216, 2224771, 4449542, 6674313, 8899084, 13348626, 17798168, 20022939, 26697252, 35596336, 40045878, 53394504, 71192672, 80091756, 106789008, 160183512, 213578016, 320367024, 640734048]

約数ペア:

[(1, 640734048), (2, 320367024), (3, 213578016), (4, 160183512), (6, 106789008), (8, 80091756), (9, 71192672), (12, 53394504), (16, 40045878), (18, 35596336), (24, 26697252), (32, 20022939), (36, 17798168), (48, 13348626), (72, 8899084), (96, 6674313), (144, 4449542), (288, 2224771), (653, 981216), (1306, 490608), (1959, 327072), (2612, 245304), (3407, 188064), (3918, 163536), (5224, 122652), (5877, 109024), (6814, 94032), (7836, 81768), (10221, 62688), (10448, 61326), (11754, 54512), (13628, 47016), (15672, 40884), (20442, 31344), (20896, 30663), (23508, 27256)]