264705280

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{953}}^1$

素因数の和:1012

約数の個数: 144

約数和(自身を含む): 748790784

約数和(自身を除く): 484085504

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, 434, 448, 496, 560, 620, 640, 868, 896, 953, 992, 1085, 1120, 1240, 1280, 1736, 1792, 1906, 1984, 2170, 2240, 2480, 3472, 3812, 3968, 4340, 4480, 4765, 4960, 6671, 6944, 7624, 7936, 8680, 8960, 9530, 9920, 13342, 13888, 15248, 17360, 19060, 19840, 26684, 27776, 29543, 30496, 33355, 34720, 38120, 39680, 53368, 55552, 59086, 60992, 66710, 69440, 76240, 106736, 118172, 121984, 133420, 138880, 147715, 152480, 206801, 213472, 236344, 243968, 266840, 277760, 295430, 304960, 413602, 426944, 472688, 533680, 590860, 609920, 827204, 853888, 945376, 1034005, 1067360, 1181720, 1219840, 1654408, 1707776, 1890752, 2068010, 2134720, 2363440, 3308816, 3781504, 4136020, 4269440, 4726880, 6617632, 7563008, 8272040, 8538880, 9453760, 13235264, 16544080, 18907520, 26470528, 33088160, 37815040, 52941056, 66176320, 132352640, 264705280]

約数ペア:

[(1, 264705280), (2, 132352640), (4, 66176320), (5, 52941056), (7, 37815040), (8, 33088160), (10, 26470528), (14, 18907520), (16, 16544080), (20, 13235264), (28, 9453760), (31, 8538880), (32, 8272040), (35, 7563008), (40, 6617632), (56, 4726880), (62, 4269440), (64, 4136020), (70, 3781504), (80, 3308816), (112, 2363440), (124, 2134720), (128, 2068010), (140, 1890752), (155, 1707776), (160, 1654408), (217, 1219840), (224, 1181720), (248, 1067360), (256, 1034005), (280, 945376), (310, 853888), (320, 827204), (434, 609920), (448, 590860), (496, 533680), (560, 472688), (620, 426944), (640, 413602), (868, 304960), (896, 295430), (953, 277760), (992, 266840), (1085, 243968), (1120, 236344), (1240, 213472), (1280, 206801), (1736, 152480), (1792, 147715), (1906, 138880), (1984, 133420), (2170, 121984), (2240, 118172), (2480, 106736), (3472, 76240), (3812, 69440), (3968, 66710), (4340, 60992), (4480, 59086), (4765, 55552), (4960, 53368), (6671, 39680), (6944, 38120), (7624, 34720), (7936, 33355), (8680, 30496), (8960, 29543), (9530, 27776), (9920, 26684), (13342, 19840), (13888, 19060), (15248, 17360)]