155138760

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{20521}}^1$

素因数の和:20548

約数の個数: 128

約数和(自身を含む): 591033600

約数和(自身を除く): 435894840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 20521, 41042, 61563, 82084, 102605, 123126, 143647, 164168, 184689, 205210, 246252, 287294, 307815, 369378, 410420, 430941, 492504, 554067, 574588, 615630, 718235, 738756, 820840, 861882, 923445, 1108134, 1149176, 1231260, 1292823, 1436470, 1477512, 1723764, 1846890, 2154705, 2216268, 2462520, 2585646, 2770335, 2872940, 3447528, 3693780, 3878469, 4309410, 4432536, 5171292, 5540670, 5745880, 6464115, 7387560, 7756938, 8618820, 10342584, 11081340, 12928230, 15513876, 17237640, 19392345, 22162680, 25856460, 31027752, 38784690, 51712920, 77569380, 155138760]

約数ペア:

[(1, 155138760), (2, 77569380), (3, 51712920), (4, 38784690), (5, 31027752), (6, 25856460), (7, 22162680), (8, 19392345), (9, 17237640), (10, 15513876), (12, 12928230), (14, 11081340), (15, 10342584), (18, 8618820), (20, 7756938), (21, 7387560), (24, 6464115), (27, 5745880), (28, 5540670), (30, 5171292), (35, 4432536), (36, 4309410), (40, 3878469), (42, 3693780), (45, 3447528), (54, 2872940), (56, 2770335), (60, 2585646), (63, 2462520), (70, 2216268), (72, 2154705), (84, 1846890), (90, 1723764), (105, 1477512), (108, 1436470), (120, 1292823), (126, 1231260), (135, 1149176), (140, 1108134), (168, 923445), (180, 861882), (189, 820840), (210, 738756), (216, 718235), (252, 615630), (270, 574588), (280, 554067), (315, 492504), (360, 430941), (378, 410420), (420, 369378), (504, 307815), (540, 287294), (630, 246252), (756, 205210), (840, 184689), (945, 164168), (1080, 143647), (1260, 123126), (1512, 102605), (1890, 82084), (2520, 61563), (3780, 41042), (7560, 20521)]