260026760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1033}}^1$

素因数の和:1111

約数の個数: 128

約数和(自身を含む): 714700800

約数和(自身を除く): 454674040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 31, 35, 40, 56, 58, 62, 70, 116, 124, 140, 145, 155, 203, 217, 232, 248, 280, 290, 310, 406, 434, 580, 620, 812, 868, 899, 1015, 1033, 1085, 1160, 1240, 1624, 1736, 1798, 2030, 2066, 2170, 3596, 4060, 4132, 4340, 4495, 5165, 6293, 7192, 7231, 8120, 8264, 8680, 8990, 10330, 12586, 14462, 17980, 20660, 25172, 28924, 29957, 31465, 32023, 35960, 36155, 41320, 50344, 57848, 59914, 62930, 64046, 72310, 119828, 125860, 128092, 144620, 149785, 160115, 209699, 224161, 239656, 251720, 256184, 289240, 299570, 320230, 419398, 448322, 599140, 640460, 838796, 896644, 928667, 1048495, 1120805, 1198280, 1280920, 1677592, 1793288, 1857334, 2096990, 2241610, 3714668, 4193980, 4483220, 4643335, 6500669, 7429336, 8387960, 8966440, 9286670, 13001338, 18573340, 26002676, 32503345, 37146680, 52005352, 65006690, 130013380, 260026760]

約数ペア:

[(1, 260026760), (2, 130013380), (4, 65006690), (5, 52005352), (7, 37146680), (8, 32503345), (10, 26002676), (14, 18573340), (20, 13001338), (28, 9286670), (29, 8966440), (31, 8387960), (35, 7429336), (40, 6500669), (56, 4643335), (58, 4483220), (62, 4193980), (70, 3714668), (116, 2241610), (124, 2096990), (140, 1857334), (145, 1793288), (155, 1677592), (203, 1280920), (217, 1198280), (232, 1120805), (248, 1048495), (280, 928667), (290, 896644), (310, 838796), (406, 640460), (434, 599140), (580, 448322), (620, 419398), (812, 320230), (868, 299570), (899, 289240), (1015, 256184), (1033, 251720), (1085, 239656), (1160, 224161), (1240, 209699), (1624, 160115), (1736, 149785), (1798, 144620), (2030, 128092), (2066, 125860), (2170, 119828), (3596, 72310), (4060, 64046), (4132, 62930), (4340, 59914), (4495, 57848), (5165, 50344), (6293, 41320), (7192, 36155), (7231, 35960), (8120, 32023), (8264, 31465), (8680, 29957), (8990, 28924), (10330, 25172), (12586, 20660), (14462, 17980)]