40209120

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{3989}}^1$

素因数の和:4017

約数の個数: 144

約数和(自身を含む): 156854880

約数和(自身を除く): 116645760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 3989, 5040, 7978, 10080, 11967, 15956, 19945, 23934, 27923, 31912, 35901, 39890, 47868, 55846, 59835, 63824, 71802, 79780, 83769, 95736, 111692, 119670, 127648, 139615, 143604, 159560, 167538, 179505, 191472, 223384, 239340, 251307, 279230, 287208, 319120, 335076, 359010, 382944, 418845, 446768, 478680, 502614, 558460, 574416, 638240, 670152, 718020, 837690, 893536, 957360, 1005228, 1116920, 1148832, 1256535, 1340304, 1436040, 1675380, 1914720, 2010456, 2233840, 2513070, 2680608, 2872080, 3350760, 4020912, 4467680, 5026140, 5744160, 6701520, 8041824, 10052280, 13403040, 20104560, 40209120]

約数ペア:

[(1, 40209120), (2, 20104560), (3, 13403040), (4, 10052280), (5, 8041824), (6, 6701520), (7, 5744160), (8, 5026140), (9, 4467680), (10, 4020912), (12, 3350760), (14, 2872080), (15, 2680608), (16, 2513070), (18, 2233840), (20, 2010456), (21, 1914720), (24, 1675380), (28, 1436040), (30, 1340304), (32, 1256535), (35, 1148832), (36, 1116920), (40, 1005228), (42, 957360), (45, 893536), (48, 837690), (56, 718020), (60, 670152), (63, 638240), (70, 574416), (72, 558460), (80, 502614), (84, 478680), (90, 446768), (96, 418845), (105, 382944), (112, 359010), (120, 335076), (126, 319120), (140, 287208), (144, 279230), (160, 251307), (168, 239340), (180, 223384), (210, 191472), (224, 179505), (240, 167538), (252, 159560), (280, 143604), (288, 139615), (315, 127648), (336, 119670), (360, 111692), (420, 95736), (480, 83769), (504, 79780), (560, 71802), (630, 63824), (672, 59835), (720, 55846), (840, 47868), (1008, 39890), (1120, 35901), (1260, 31912), (1440, 27923), (1680, 23934), (2016, 19945), (2520, 15956), (3360, 11967), (3989, 10080), (5040, 7978)]