1271654720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{18313}}^1$

素因数の和:18368

約数の個数: 112

約数和(自身を含む): 3572548608

約数和(自身を除く): 2300893888

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, 4340, 4960, 6944, 8680, 9920, 13888, 17360, 18313, 34720, 36626, 69440, 73252, 91565, 128191, 146504, 183130, 256382, 293008, 366260, 512764, 567703, 586016, 640955, 732520, 1025528, 1135406, 1172032, 1281910, 1465040, 2051056, 2270812, 2563820, 2838515, 2930080, 3973921, 4102112, 4541624, 5127640, 5677030, 5860160, 7947842, 8204224, 9083248, 10255280, 11354060, 15895684, 18166496, 19869605, 20510560, 22708120, 31791368, 36332992, 39739210, 41021120, 45416240, 63582736, 79478420, 90832480, 127165472, 158956840, 181664960, 254330944, 317913680, 635827360, 1271654720]

約数ペア:

[(1, 1271654720), (2, 635827360), (4, 317913680), (5, 254330944), (7, 181664960), (8, 158956840), (10, 127165472), (14, 90832480), (16, 79478420), (20, 63582736), (28, 45416240), (31, 41021120), (32, 39739210), (35, 36332992), (40, 31791368), (56, 22708120), (62, 20510560), (64, 19869605), (70, 18166496), (80, 15895684), (112, 11354060), (124, 10255280), (140, 9083248), (155, 8204224), (160, 7947842), (217, 5860160), (224, 5677030), (248, 5127640), (280, 4541624), (310, 4102112), (320, 3973921), (434, 2930080), (448, 2838515), (496, 2563820), (560, 2270812), (620, 2051056), (868, 1465040), (992, 1281910), (1085, 1172032), (1120, 1135406), (1240, 1025528), (1736, 732520), (1984, 640955), (2170, 586016), (2240, 567703), (2480, 512764), (3472, 366260), (4340, 293008), (4960, 256382), (6944, 183130), (8680, 146504), (9920, 128191), (13888, 91565), (17360, 73252), (18313, 69440), (34720, 36626)]