240540160

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{433}}^1$

素因数の和:494

約数の個数: 160

約数和(自身を含む): 681956352

約数和(自身を除く): 441416192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 256, 280, 310, 320, 433, 434, 448, 496, 512, 560, 620, 640, 866, 868, 896, 992, 1085, 1120, 1240, 1280, 1732, 1736, 1792, 1984, 2165, 2170, 2240, 2480, 2560, 3031, 3464, 3472, 3584, 3968, 4330, 4340, 4480, 4960, 6062, 6928, 6944, 7936, 8660, 8680, 8960, 9920, 12124, 13423, 13856, 13888, 15155, 15872, 17320, 17360, 17920, 19840, 24248, 26846, 27712, 27776, 30310, 34640, 34720, 39680, 48496, 53692, 55424, 55552, 60620, 67115, 69280, 69440, 79360, 93961, 96992, 107384, 110848, 111104, 121240, 134230, 138560, 138880, 187922, 193984, 214768, 221696, 242480, 268460, 277120, 277760, 375844, 387968, 429536, 469805, 484960, 536920, 554240, 555520, 751688, 775936, 859072, 939610, 969920, 1073840, 1108480, 1503376, 1551872, 1718144, 1879220, 1939840, 2147680, 3006752, 3436288, 3758440, 3879680, 4295360, 6013504, 6872576, 7516880, 7759360, 8590720, 12027008, 15033760, 17181440, 24054016, 30067520, 34362880, 48108032, 60135040, 120270080, 240540160]

約数ペア:

[(1, 240540160), (2, 120270080), (4, 60135040), (5, 48108032), (7, 34362880), (8, 30067520), (10, 24054016), (14, 17181440), (16, 15033760), (20, 12027008), (28, 8590720), (31, 7759360), (32, 7516880), (35, 6872576), (40, 6013504), (56, 4295360), (62, 3879680), (64, 3758440), (70, 3436288), (80, 3006752), (112, 2147680), (124, 1939840), (128, 1879220), (140, 1718144), (155, 1551872), (160, 1503376), (217, 1108480), (224, 1073840), (248, 969920), (256, 939610), (280, 859072), (310, 775936), (320, 751688), (433, 555520), (434, 554240), (448, 536920), (496, 484960), (512, 469805), (560, 429536), (620, 387968), (640, 375844), (866, 277760), (868, 277120), (896, 268460), (992, 242480), (1085, 221696), (1120, 214768), (1240, 193984), (1280, 187922), (1732, 138880), (1736, 138560), (1792, 134230), (1984, 121240), (2165, 111104), (2170, 110848), (2240, 107384), (2480, 96992), (2560, 93961), (3031, 79360), (3464, 69440), (3472, 69280), (3584, 67115), (3968, 60620), (4330, 55552), (4340, 55424), (4480, 53692), (4960, 48496), (6062, 39680), (6928, 34720), (6944, 34640), (7936, 30310), (8660, 27776), (8680, 27712), (8960, 26846), (9920, 24248), (12124, 19840), (13423, 17920), (13856, 17360), (13888, 17320), (15155, 15872)]