161810740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{977}}^1$

素因数の和:1026

約数の個数: 108

約数和(自身を含む): 428463756

約数和(自身を除く): 266653016

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 169, 182, 196, 245, 260, 338, 364, 455, 490, 637, 676, 845, 910, 977, 980, 1183, 1274, 1690, 1820, 1954, 2366, 2548, 3185, 3380, 3908, 4732, 4885, 5915, 6370, 6839, 8281, 9770, 11830, 12701, 12740, 13678, 16562, 19540, 23660, 25402, 27356, 33124, 34195, 41405, 47873, 50804, 63505, 68390, 82810, 88907, 95746, 127010, 136780, 165113, 165620, 177814, 191492, 239365, 254020, 330226, 355628, 444535, 478730, 622349, 660452, 825565, 889070, 957460, 1155791, 1244698, 1651130, 1778140, 2311582, 2489396, 3111745, 3302260, 4623164, 5778955, 6223490, 8090537, 11557910, 12446980, 16181074, 23115820, 32362148, 40452685, 80905370, 161810740]

約数ペア:

[(1, 161810740), (2, 80905370), (4, 40452685), (5, 32362148), (7, 23115820), (10, 16181074), (13, 12446980), (14, 11557910), (20, 8090537), (26, 6223490), (28, 5778955), (35, 4623164), (49, 3302260), (52, 3111745), (65, 2489396), (70, 2311582), (91, 1778140), (98, 1651130), (130, 1244698), (140, 1155791), (169, 957460), (182, 889070), (196, 825565), (245, 660452), (260, 622349), (338, 478730), (364, 444535), (455, 355628), (490, 330226), (637, 254020), (676, 239365), (845, 191492), (910, 177814), (977, 165620), (980, 165113), (1183, 136780), (1274, 127010), (1690, 95746), (1820, 88907), (1954, 82810), (2366, 68390), (2548, 63505), (3185, 50804), (3380, 47873), (3908, 41405), (4732, 34195), (4885, 33124), (5915, 27356), (6370, 25402), (6839, 23660), (8281, 19540), (9770, 16562), (11830, 13678), (12701, 12740)]