81428460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{419}}^1$

素因数の和:551

約数の個数: 96

約数和(自身を含む): 237081600

約数和(自身を除く): 155653140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 79, 82, 123, 158, 164, 205, 237, 246, 316, 395, 410, 419, 474, 492, 615, 790, 820, 838, 948, 1185, 1230, 1257, 1580, 1676, 2095, 2370, 2460, 2514, 3239, 4190, 4740, 5028, 6285, 6478, 8380, 9717, 12570, 12956, 16195, 17179, 19434, 25140, 32390, 33101, 34358, 38868, 48585, 51537, 64780, 66202, 68716, 85895, 97170, 99303, 103074, 132404, 165505, 171790, 194340, 198606, 206148, 257685, 331010, 343580, 397212, 496515, 515370, 662020, 993030, 1030740, 1357141, 1986060, 2714282, 4071423, 5428564, 6785705, 8142846, 13571410, 16285692, 20357115, 27142820, 40714230, 81428460]

約数ペア:

[(1, 81428460), (2, 40714230), (3, 27142820), (4, 20357115), (5, 16285692), (6, 13571410), (10, 8142846), (12, 6785705), (15, 5428564), (20, 4071423), (30, 2714282), (41, 1986060), (60, 1357141), (79, 1030740), (82, 993030), (123, 662020), (158, 515370), (164, 496515), (205, 397212), (237, 343580), (246, 331010), (316, 257685), (395, 206148), (410, 198606), (419, 194340), (474, 171790), (492, 165505), (615, 132404), (790, 103074), (820, 99303), (838, 97170), (948, 85895), (1185, 68716), (1230, 66202), (1257, 64780), (1580, 51537), (1676, 48585), (2095, 38868), (2370, 34358), (2460, 33101), (2514, 32390), (3239, 25140), (4190, 19434), (4740, 17179), (5028, 16195), (6285, 12956), (6478, 12570), (8380, 9717)]