640932696

素因数分解:

$2^3\times 3^3\times {\mathrm{131}}^1\times {\mathrm{22651}}^1$

素因数の和:22797

約数の個数: 64

約数和(自身を含む): 1794038400

約数和(自身を除く): 1153105704

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 131, 216, 262, 393, 524, 786, 1048, 1179, 1572, 2358, 3144, 3537, 4716, 7074, 9432, 14148, 22651, 28296, 45302, 67953, 90604, 135906, 181208, 203859, 271812, 407718, 543624, 611577, 815436, 1223154, 1630872, 2446308, 2967281, 4892616, 5934562, 8901843, 11869124, 17803686, 23738248, 26705529, 35607372, 53411058, 71214744, 80116587, 106822116, 160233174, 213644232, 320466348, 640932696]

約数ペア:

[(1, 640932696), (2, 320466348), (3, 213644232), (4, 160233174), (6, 106822116), (8, 80116587), (9, 71214744), (12, 53411058), (18, 35607372), (24, 26705529), (27, 23738248), (36, 17803686), (54, 11869124), (72, 8901843), (108, 5934562), (131, 4892616), (216, 2967281), (262, 2446308), (393, 1630872), (524, 1223154), (786, 815436), (1048, 611577), (1179, 543624), (1572, 407718), (2358, 271812), (3144, 203859), (3537, 181208), (4716, 135906), (7074, 90604), (9432, 67953), (14148, 45302), (22651, 28296)]