321715520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:209

約数の個数: 224

約数和(自身を含む): 934004736

約数和(自身を除く): 612289216

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 41, 56, 62, 64, 70, 80, 82, 112, 113, 124, 140, 155, 160, 164, 205, 217, 224, 226, 248, 280, 287, 310, 320, 328, 410, 434, 448, 452, 496, 560, 565, 574, 620, 656, 791, 820, 868, 904, 992, 1085, 1120, 1130, 1148, 1240, 1271, 1312, 1435, 1582, 1640, 1736, 1808, 1984, 2170, 2240, 2260, 2296, 2480, 2542, 2624, 2870, 3164, 3280, 3472, 3503, 3616, 3955, 4340, 4520, 4592, 4633, 4960, 5084, 5740, 6328, 6355, 6560, 6944, 7006, 7232, 7910, 8680, 8897, 9040, 9184, 9266, 9920, 10168, 11480, 12656, 12710, 13120, 13888, 14012, 15820, 17360, 17515, 17794, 18080, 18368, 18532, 20336, 22960, 23165, 24521, 25312, 25420, 28024, 31640, 32431, 34720, 35030, 35588, 36160, 37064, 40672, 44485, 45920, 46330, 49042, 50624, 50840, 56048, 63280, 64862, 69440, 70060, 71176, 74128, 81344, 88970, 91840, 92660, 98084, 101680, 112096, 122605, 126560, 129724, 140120, 142352, 143623, 148256, 162155, 177940, 185320, 196168, 203360, 224192, 245210, 253120, 259448, 280240, 284704, 287246, 296512, 324310, 355880, 370640, 392336, 406720, 490420, 518896, 560480, 569408, 574492, 648620, 711760, 718115, 741280, 784672, 980840, 1005361, 1037792, 1120960, 1148984, 1297240, 1423520, 1436230, 1482560, 1569344, 1961680, 2010722, 2075584, 2297968, 2594480, 2847040, 2872460, 3923360, 4021444, 4595936, 5026805, 5188960, 5744920, 7846720, 8042888, 9191872, 10053610, 10377920, 11489840, 16085776, 20107220, 22979680, 32171552, 40214440, 45959360, 64343104, 80428880, 160857760, 321715520]

約数ペア:

[(1, 321715520), (2, 160857760), (4, 80428880), (5, 64343104), (7, 45959360), (8, 40214440), (10, 32171552), (14, 22979680), (16, 20107220), (20, 16085776), (28, 11489840), (31, 10377920), (32, 10053610), (35, 9191872), (40, 8042888), (41, 7846720), (56, 5744920), (62, 5188960), (64, 5026805), (70, 4595936), (80, 4021444), (82, 3923360), (112, 2872460), (113, 2847040), (124, 2594480), (140, 2297968), (155, 2075584), (160, 2010722), (164, 1961680), (205, 1569344), (217, 1482560), (224, 1436230), (226, 1423520), (248, 1297240), (280, 1148984), (287, 1120960), (310, 1037792), (320, 1005361), (328, 980840), (410, 784672), (434, 741280), (448, 718115), (452, 711760), (496, 648620), (560, 574492), (565, 569408), (574, 560480), (620, 518896), (656, 490420), (791, 406720), (820, 392336), (868, 370640), (904, 355880), (992, 324310), (1085, 296512), (1120, 287246), (1130, 284704), (1148, 280240), (1240, 259448), (1271, 253120), (1312, 245210), (1435, 224192), (1582, 203360), (1640, 196168), (1736, 185320), (1808, 177940), (1984, 162155), (2170, 148256), (2240, 143623), (2260, 142352), (2296, 140120), (2480, 129724), (2542, 126560), (2624, 122605), (2870, 112096), (3164, 101680), (3280, 98084), (3472, 92660), (3503, 91840), (3616, 88970), (3955, 81344), (4340, 74128), (4520, 71176), (4592, 70060), (4633, 69440), (4960, 64862), (5084, 63280), (5740, 56048), (6328, 50840), (6355, 50624), (6560, 49042), (6944, 46330), (7006, 45920), (7232, 44485), (7910, 40672), (8680, 37064), (8897, 36160), (9040, 35588), (9184, 35030), (9266, 34720), (9920, 32431), (10168, 31640), (11480, 28024), (12656, 25420), (12710, 25312), (13120, 24521), (13888, 23165), (14012, 22960), (15820, 20336), (17360, 18532), (17515, 18368), (17794, 18080)]