257552960

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3709}}^1$

素因数の和:3764

約数の個数: 112

約数和(自身を含む): 723717120

約数和(自身を除く): 466164160

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, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 868, 992, 1085, 1120, 1240, 1736, 1984, 2170, 2240, 2480, 3472, 3709, 4340, 4960, 6944, 7418, 8680, 9920, 13888, 14836, 17360, 18545, 25963, 29672, 34720, 37090, 51926, 59344, 69440, 74180, 103852, 114979, 118688, 129815, 148360, 207704, 229958, 237376, 259630, 296720, 415408, 459916, 519260, 574895, 593440, 804853, 830816, 919832, 1038520, 1149790, 1186880, 1609706, 1661632, 1839664, 2077040, 2299580, 3219412, 3679328, 4024265, 4154080, 4599160, 6438824, 7358656, 8048530, 8308160, 9198320, 12877648, 16097060, 18396640, 25755296, 32194120, 36793280, 51510592, 64388240, 128776480, 257552960]

約数ペア:

[(1, 257552960), (2, 128776480), (4, 64388240), (5, 51510592), (7, 36793280), (8, 32194120), (10, 25755296), (14, 18396640), (16, 16097060), (20, 12877648), (28, 9198320), (31, 8308160), (32, 8048530), (35, 7358656), (40, 6438824), (56, 4599160), (62, 4154080), (64, 4024265), (70, 3679328), (80, 3219412), (112, 2299580), (124, 2077040), (140, 1839664), (155, 1661632), (160, 1609706), (217, 1186880), (224, 1149790), (248, 1038520), (280, 919832), (310, 830816), (320, 804853), (434, 593440), (448, 574895), (496, 519260), (560, 459916), (620, 415408), (868, 296720), (992, 259630), (1085, 237376), (1120, 229958), (1240, 207704), (1736, 148360), (1984, 129815), (2170, 118688), (2240, 114979), (2480, 103852), (3472, 74180), (3709, 69440), (4340, 59344), (4960, 51926), (6944, 37090), (7418, 34720), (8680, 29672), (9920, 25963), (13888, 18545), (14836, 17360)]