720957328

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{15973}}^1$

素因数の和:16032

約数の個数: 80

約数和(自身を含む): 1774775296

約数和(自身を除く): 1053817968

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 52, 56, 62, 91, 104, 112, 124, 182, 208, 217, 248, 364, 403, 434, 496, 728, 806, 868, 1456, 1612, 1736, 2821, 3224, 3472, 5642, 6448, 11284, 15973, 22568, 31946, 45136, 63892, 111811, 127784, 207649, 223622, 255568, 415298, 447244, 495163, 830596, 894488, 990326, 1453543, 1661192, 1788976, 1980652, 2907086, 3322384, 3466141, 3961304, 5814172, 6437119, 6932282, 7922608, 11628344, 12874238, 13864564, 23256688, 25748476, 27729128, 45059833, 51496952, 55458256, 90119666, 102993904, 180239332, 360478664, 720957328]

約数ペア:

[(1, 720957328), (2, 360478664), (4, 180239332), (7, 102993904), (8, 90119666), (13, 55458256), (14, 51496952), (16, 45059833), (26, 27729128), (28, 25748476), (31, 23256688), (52, 13864564), (56, 12874238), (62, 11628344), (91, 7922608), (104, 6932282), (112, 6437119), (124, 5814172), (182, 3961304), (208, 3466141), (217, 3322384), (248, 2907086), (364, 1980652), (403, 1788976), (434, 1661192), (496, 1453543), (728, 990326), (806, 894488), (868, 830596), (1456, 495163), (1612, 447244), (1736, 415298), (2821, 255568), (3224, 223622), (3472, 207649), (5642, 127784), (6448, 111811), (11284, 63892), (15973, 45136), (22568, 31946)]