645990588

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{269}}^1\times {\mathrm{1627}}^1$

素因数の和:1947

約数の個数: 72

約数和(自身を含む): 1679998320

約数和(自身を除く): 1034007732

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 123, 164, 246, 269, 369, 492, 538, 738, 807, 1076, 1476, 1614, 1627, 2421, 3228, 3254, 4842, 4881, 6508, 9684, 9762, 11029, 14643, 19524, 22058, 29286, 33087, 44116, 58572, 66174, 66707, 99261, 132348, 133414, 198522, 200121, 266828, 397044, 400242, 437663, 600363, 800484, 875326, 1200726, 1312989, 1750652, 2401452, 2625978, 3938967, 5251956, 7877934, 15755868, 17944183, 35888366, 53832549, 71776732, 107665098, 161497647, 215330196, 322995294, 645990588]

約数ペア:

[(1, 645990588), (2, 322995294), (3, 215330196), (4, 161497647), (6, 107665098), (9, 71776732), (12, 53832549), (18, 35888366), (36, 17944183), (41, 15755868), (82, 7877934), (123, 5251956), (164, 3938967), (246, 2625978), (269, 2401452), (369, 1750652), (492, 1312989), (538, 1200726), (738, 875326), (807, 800484), (1076, 600363), (1476, 437663), (1614, 400242), (1627, 397044), (2421, 266828), (3228, 200121), (3254, 198522), (4842, 133414), (4881, 132348), (6508, 99261), (9684, 66707), (9762, 66174), (11029, 58572), (14643, 44116), (19524, 33087), (22058, 29286)]