66471440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{547}}^1$

素因数の和:605

約数の個数: 120

約数和(自身を含む): 185916672

約数和(自身を除く): 119445232

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 196, 217, 245, 248, 280, 310, 392, 434, 490, 496, 547, 560, 620, 784, 868, 980, 1085, 1094, 1240, 1519, 1736, 1960, 2170, 2188, 2480, 2735, 3038, 3472, 3829, 3920, 4340, 4376, 5470, 6076, 7595, 7658, 8680, 8752, 10940, 12152, 15190, 15316, 16957, 17360, 19145, 21880, 24304, 26803, 30380, 30632, 33914, 38290, 43760, 53606, 60760, 61264, 67828, 76580, 84785, 107212, 118699, 121520, 134015, 135656, 153160, 169570, 214424, 237398, 268030, 271312, 306320, 339140, 428848, 474796, 536060, 593495, 678280, 830893, 949592, 1072120, 1186990, 1356560, 1661786, 1899184, 2144240, 2373980, 3323572, 4154465, 4747960, 6647144, 8308930, 9495920, 13294288, 16617860, 33235720, 66471440]

約数ペア:

[(1, 66471440), (2, 33235720), (4, 16617860), (5, 13294288), (7, 9495920), (8, 8308930), (10, 6647144), (14, 4747960), (16, 4154465), (20, 3323572), (28, 2373980), (31, 2144240), (35, 1899184), (40, 1661786), (49, 1356560), (56, 1186990), (62, 1072120), (70, 949592), (80, 830893), (98, 678280), (112, 593495), (124, 536060), (140, 474796), (155, 428848), (196, 339140), (217, 306320), (245, 271312), (248, 268030), (280, 237398), (310, 214424), (392, 169570), (434, 153160), (490, 135656), (496, 134015), (547, 121520), (560, 118699), (620, 107212), (784, 84785), (868, 76580), (980, 67828), (1085, 61264), (1094, 60760), (1240, 53606), (1519, 43760), (1736, 38290), (1960, 33914), (2170, 30632), (2188, 30380), (2480, 26803), (2735, 24304), (3038, 21880), (3472, 19145), (3829, 17360), (3920, 16957), (4340, 15316), (4376, 15190), (5470, 12152), (6076, 10940), (7595, 8752), (7658, 8680)]