1396248840

素因数分解:

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

素因数の和:20554

約数の個数: 192

約数和(自身を含む): 5378405760

約数和(自身を除く): 3982156920

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, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 243, 252, 270, 280, 315, 324, 360, 378, 405, 420, 486, 504, 540, 567, 630, 648, 756, 810, 840, 945, 972, 1080, 1134, 1215, 1260, 1512, 1620, 1701, 1890, 1944, 2268, 2430, 2520, 2835, 3240, 3402, 3780, 4536, 4860, 5670, 6804, 7560, 8505, 9720, 11340, 13608, 17010, 20521, 22680, 34020, 41042, 61563, 68040, 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, 1662201, 1723764, 1846890, 2154705, 2216268, 2462520, 2585646, 2770335, 2872940, 3324402, 3447528, 3693780, 3878469, 4309410, 4432536, 4986603, 5171292, 5540670, 5745880, 6464115, 6648804, 7387560, 7756938, 8311005, 8618820, 9973206, 10342584, 11081340, 11635407, 12928230, 13297608, 15513876, 16622010, 17237640, 19392345, 19946412, 22162680, 23270814, 24933015, 25856460, 31027752, 33244020, 34906221, 38784690, 39892824, 46541628, 49866030, 51712920, 58177035, 66488040, 69812442, 77569380, 93083256, 99732060, 116354070, 139624884, 155138760, 174531105, 199464120, 232708140, 279249768, 349062210, 465416280, 698124420, 1396248840]

約数ペア:

[(1, 1396248840), (2, 698124420), (3, 465416280), (4, 349062210), (5, 279249768), (6, 232708140), (7, 199464120), (8, 174531105), (9, 155138760), (10, 139624884), (12, 116354070), (14, 99732060), (15, 93083256), (18, 77569380), (20, 69812442), (21, 66488040), (24, 58177035), (27, 51712920), (28, 49866030), (30, 46541628), (35, 39892824), (36, 38784690), (40, 34906221), (42, 33244020), (45, 31027752), (54, 25856460), (56, 24933015), (60, 23270814), (63, 22162680), (70, 19946412), (72, 19392345), (81, 17237640), (84, 16622010), (90, 15513876), (105, 13297608), (108, 12928230), (120, 11635407), (126, 11081340), (135, 10342584), (140, 9973206), (162, 8618820), (168, 8311005), (180, 7756938), (189, 7387560), (210, 6648804), (216, 6464115), (243, 5745880), (252, 5540670), (270, 5171292), (280, 4986603), (315, 4432536), (324, 4309410), (360, 3878469), (378, 3693780), (405, 3447528), (420, 3324402), (486, 2872940), (504, 2770335), (540, 2585646), (567, 2462520), (630, 2216268), (648, 2154705), (756, 1846890), (810, 1723764), (840, 1662201), (945, 1477512), (972, 1436470), (1080, 1292823), (1134, 1231260), (1215, 1149176), (1260, 1108134), (1512, 923445), (1620, 861882), (1701, 820840), (1890, 738756), (1944, 718235), (2268, 615630), (2430, 574588), (2520, 554067), (2835, 492504), (3240, 430941), (3402, 410420), (3780, 369378), (4536, 307815), (4860, 287294), (5670, 246252), (6804, 205210), (7560, 184689), (8505, 164168), (9720, 143647), (11340, 123126), (13608, 102605), (17010, 82084), (20521, 68040), (22680, 61563), (34020, 41042)]