131484640

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{541}}^1$

素因数の和:601

約数の個数: 144

約数和(自身を含む): 373693824

約数和(自身を除く): 242209184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 160, 196, 217, 224, 245, 248, 280, 310, 392, 434, 490, 496, 541, 560, 620, 784, 868, 980, 992, 1082, 1085, 1120, 1240, 1519, 1568, 1736, 1960, 2164, 2170, 2480, 2705, 3038, 3472, 3787, 3920, 4328, 4340, 4960, 5410, 6076, 6944, 7574, 7595, 7840, 8656, 8680, 10820, 12152, 15148, 15190, 16771, 17312, 17360, 18935, 21640, 24304, 26509, 30296, 30380, 33542, 34720, 37870, 43280, 48608, 53018, 60592, 60760, 67084, 75740, 83855, 86560, 106036, 117397, 121184, 121520, 132545, 134168, 151480, 167710, 212072, 234794, 243040, 265090, 268336, 302960, 335420, 424144, 469588, 530180, 536672, 586985, 605920, 670840, 821779, 848288, 939176, 1060360, 1173970, 1341680, 1643558, 1878352, 2120720, 2347940, 2683360, 3287116, 3756704, 4108895, 4241440, 4695880, 6574232, 8217790, 9391760, 13148464, 16435580, 18783520, 26296928, 32871160, 65742320, 131484640]

約数ペア:

[(1, 131484640), (2, 65742320), (4, 32871160), (5, 26296928), (7, 18783520), (8, 16435580), (10, 13148464), (14, 9391760), (16, 8217790), (20, 6574232), (28, 4695880), (31, 4241440), (32, 4108895), (35, 3756704), (40, 3287116), (49, 2683360), (56, 2347940), (62, 2120720), (70, 1878352), (80, 1643558), (98, 1341680), (112, 1173970), (124, 1060360), (140, 939176), (155, 848288), (160, 821779), (196, 670840), (217, 605920), (224, 586985), (245, 536672), (248, 530180), (280, 469588), (310, 424144), (392, 335420), (434, 302960), (490, 268336), (496, 265090), (541, 243040), (560, 234794), (620, 212072), (784, 167710), (868, 151480), (980, 134168), (992, 132545), (1082, 121520), (1085, 121184), (1120, 117397), (1240, 106036), (1519, 86560), (1568, 83855), (1736, 75740), (1960, 67084), (2164, 60760), (2170, 60592), (2480, 53018), (2705, 48608), (3038, 43280), (3472, 37870), (3787, 34720), (3920, 33542), (4328, 30380), (4340, 30296), (4960, 26509), (5410, 24304), (6076, 21640), (6944, 18935), (7574, 17360), (7595, 17312), (7840, 16771), (8656, 15190), (8680, 15148), (10820, 12152)]