64388240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3709}}^1$

素因数の和:3760

約数の個数: 80

約数和(自身を含む): 176655360

約数和(自身を除く): 112267120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 3709, 4340, 7418, 8680, 14836, 17360, 18545, 25963, 29672, 37090, 51926, 59344, 74180, 103852, 114979, 129815, 148360, 207704, 229958, 259630, 296720, 415408, 459916, 519260, 574895, 804853, 919832, 1038520, 1149790, 1609706, 1839664, 2077040, 2299580, 3219412, 4024265, 4599160, 6438824, 8048530, 9198320, 12877648, 16097060, 32194120, 64388240]

約数ペア:

[(1, 64388240), (2, 32194120), (4, 16097060), (5, 12877648), (7, 9198320), (8, 8048530), (10, 6438824), (14, 4599160), (16, 4024265), (20, 3219412), (28, 2299580), (31, 2077040), (35, 1839664), (40, 1609706), (56, 1149790), (62, 1038520), (70, 919832), (80, 804853), (112, 574895), (124, 519260), (140, 459916), (155, 415408), (217, 296720), (248, 259630), (280, 229958), (310, 207704), (434, 148360), (496, 129815), (560, 114979), (620, 103852), (868, 74180), (1085, 59344), (1240, 51926), (1736, 37090), (2170, 29672), (2480, 25963), (3472, 18545), (3709, 17360), (4340, 14836), (7418, 8680)]