389707920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{77323}}^1$

素因数の和:77349

約数の個数: 120

約数和(自身を含む): 1495755456

約数和(自身を除く): 1106047536

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 77323, 154646, 231969, 309292, 386615, 463938, 541261, 618584, 695907, 773230, 927876, 1082522, 1159845, 1237168, 1391814, 1546460, 1623783, 1855752, 2165044, 2319690, 2706305, 2783628, 3092920, 3247566, 3479535, 3711504, 4330088, 4639380, 4871349, 5412610, 5567256, 6185840, 6495132, 6959070, 8118915, 8660176, 9278760, 9742698, 10825220, 11134512, 12990264, 13918140, 16237830, 18557520, 19485396, 21650440, 24356745, 25980528, 27836280, 32475660, 38970792, 43300880, 48713490, 55672560, 64951320, 77941584, 97426980, 129902640, 194853960, 389707920]

約数ペア:

[(1, 389707920), (2, 194853960), (3, 129902640), (4, 97426980), (5, 77941584), (6, 64951320), (7, 55672560), (8, 48713490), (9, 43300880), (10, 38970792), (12, 32475660), (14, 27836280), (15, 25980528), (16, 24356745), (18, 21650440), (20, 19485396), (21, 18557520), (24, 16237830), (28, 13918140), (30, 12990264), (35, 11134512), (36, 10825220), (40, 9742698), (42, 9278760), (45, 8660176), (48, 8118915), (56, 6959070), (60, 6495132), (63, 6185840), (70, 5567256), (72, 5412610), (80, 4871349), (84, 4639380), (90, 4330088), (105, 3711504), (112, 3479535), (120, 3247566), (126, 3092920), (140, 2783628), (144, 2706305), (168, 2319690), (180, 2165044), (210, 1855752), (240, 1623783), (252, 1546460), (280, 1391814), (315, 1237168), (336, 1159845), (360, 1082522), (420, 927876), (504, 773230), (560, 695907), (630, 618584), (720, 541261), (840, 463938), (1008, 386615), (1260, 309292), (1680, 231969), (2520, 154646), (5040, 77323)]