213146080

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{877}}^1$

素因数の和:937

約数の個数: 144

約数和(自身を含む): 605356416

約数和(自身を除く): 392210336

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 160, 196, 217, 224, 245, 248, 280, 310, 392, 434, 490, 496, 560, 620, 784, 868, 877, 980, 992, 1085, 1120, 1240, 1519, 1568, 1736, 1754, 1960, 2170, 2480, 3038, 3472, 3508, 3920, 4340, 4385, 4960, 6076, 6139, 6944, 7016, 7595, 7840, 8680, 8770, 12152, 12278, 14032, 15190, 17360, 17540, 24304, 24556, 27187, 28064, 30380, 30695, 34720, 35080, 42973, 48608, 49112, 54374, 60760, 61390, 70160, 85946, 98224, 108748, 121520, 122780, 135935, 140320, 171892, 190309, 196448, 214865, 217496, 243040, 245560, 271870, 343784, 380618, 429730, 434992, 491120, 543740, 687568, 761236, 859460, 869984, 951545, 982240, 1087480, 1332163, 1375136, 1522472, 1718920, 1903090, 2174960, 2664326, 3044944, 3437840, 3806180, 4349920, 5328652, 6089888, 6660815, 6875680, 7612360, 10657304, 13321630, 15224720, 21314608, 26643260, 30449440, 42629216, 53286520, 106573040, 213146080]

約数ペア:

[(1, 213146080), (2, 106573040), (4, 53286520), (5, 42629216), (7, 30449440), (8, 26643260), (10, 21314608), (14, 15224720), (16, 13321630), (20, 10657304), (28, 7612360), (31, 6875680), (32, 6660815), (35, 6089888), (40, 5328652), (49, 4349920), (56, 3806180), (62, 3437840), (70, 3044944), (80, 2664326), (98, 2174960), (112, 1903090), (124, 1718920), (140, 1522472), (155, 1375136), (160, 1332163), (196, 1087480), (217, 982240), (224, 951545), (245, 869984), (248, 859460), (280, 761236), (310, 687568), (392, 543740), (434, 491120), (490, 434992), (496, 429730), (560, 380618), (620, 343784), (784, 271870), (868, 245560), (877, 243040), (980, 217496), (992, 214865), (1085, 196448), (1120, 190309), (1240, 171892), (1519, 140320), (1568, 135935), (1736, 122780), (1754, 121520), (1960, 108748), (2170, 98224), (2480, 85946), (3038, 70160), (3472, 61390), (3508, 60760), (3920, 54374), (4340, 49112), (4385, 48608), (4960, 42973), (6076, 35080), (6139, 34720), (6944, 30695), (7016, 30380), (7595, 28064), (7840, 27187), (8680, 24556), (8770, 24304), (12152, 17540), (12278, 17360), (14032, 15190)]