157663520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:311

約数の個数: 192

約数和(自身を含む): 464486400

約数和(自身を除く): 306822880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 31, 32, 35, 38, 40, 56, 62, 70, 76, 80, 95, 112, 124, 133, 140, 152, 155, 160, 190, 217, 224, 239, 248, 266, 280, 304, 310, 380, 434, 478, 496, 532, 560, 589, 608, 620, 665, 760, 868, 956, 992, 1064, 1085, 1120, 1178, 1195, 1240, 1330, 1520, 1673, 1736, 1912, 2128, 2170, 2356, 2390, 2480, 2660, 2945, 3040, 3346, 3472, 3824, 4123, 4256, 4340, 4541, 4712, 4780, 4960, 5320, 5890, 6692, 6944, 7409, 7648, 8246, 8365, 8680, 9082, 9424, 9560, 10640, 11780, 13384, 14818, 16492, 16730, 17360, 18164, 18848, 19120, 20615, 21280, 22705, 23560, 26768, 29636, 31787, 32984, 33460, 34720, 36328, 37045, 38240, 41230, 45410, 47120, 51863, 53536, 59272, 63574, 65968, 66920, 72656, 74090, 82460, 90820, 94240, 103726, 118544, 127148, 131936, 133840, 140771, 145312, 148180, 158935, 164920, 181640, 207452, 237088, 254296, 259315, 267680, 281542, 296360, 317870, 329840, 363280, 414904, 508592, 518630, 563084, 592720, 635740, 659680, 703855, 726560, 829808, 985397, 1017184, 1037260, 1126168, 1185440, 1271480, 1407710, 1659616, 1970794, 2074520, 2252336, 2542960, 2815420, 3941588, 4149040, 4504672, 4926985, 5085920, 5630840, 7883176, 8298080, 9853970, 11261680, 15766352, 19707940, 22523360, 31532704, 39415880, 78831760, 157663520]

約数ペア:

[(1, 157663520), (2, 78831760), (4, 39415880), (5, 31532704), (7, 22523360), (8, 19707940), (10, 15766352), (14, 11261680), (16, 9853970), (19, 8298080), (20, 7883176), (28, 5630840), (31, 5085920), (32, 4926985), (35, 4504672), (38, 4149040), (40, 3941588), (56, 2815420), (62, 2542960), (70, 2252336), (76, 2074520), (80, 1970794), (95, 1659616), (112, 1407710), (124, 1271480), (133, 1185440), (140, 1126168), (152, 1037260), (155, 1017184), (160, 985397), (190, 829808), (217, 726560), (224, 703855), (239, 659680), (248, 635740), (266, 592720), (280, 563084), (304, 518630), (310, 508592), (380, 414904), (434, 363280), (478, 329840), (496, 317870), (532, 296360), (560, 281542), (589, 267680), (608, 259315), (620, 254296), (665, 237088), (760, 207452), (868, 181640), (956, 164920), (992, 158935), (1064, 148180), (1085, 145312), (1120, 140771), (1178, 133840), (1195, 131936), (1240, 127148), (1330, 118544), (1520, 103726), (1673, 94240), (1736, 90820), (1912, 82460), (2128, 74090), (2170, 72656), (2356, 66920), (2390, 65968), (2480, 63574), (2660, 59272), (2945, 53536), (3040, 51863), (3346, 47120), (3472, 45410), (3824, 41230), (4123, 38240), (4256, 37045), (4340, 36328), (4541, 34720), (4712, 33460), (4780, 32984), (4960, 31787), (5320, 29636), (5890, 26768), (6692, 23560), (6944, 22705), (7409, 21280), (7648, 20615), (8246, 19120), (8365, 18848), (8680, 18164), (9082, 17360), (9424, 16730), (9560, 16492), (10640, 14818), (11780, 13384)]