818402480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47143}}^1$

素因数の和:47194

約数の個数: 80

約数和(自身を含む): 2244808704

約数和(自身を除く): 1426406224

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, 4340, 8680, 17360, 47143, 94286, 188572, 235715, 330001, 377144, 471430, 660002, 754288, 942860, 1320004, 1461433, 1650005, 1885720, 2640008, 2922866, 3300010, 3771440, 5280016, 5845732, 6600020, 7307165, 10230031, 11691464, 13200040, 14614330, 20460062, 23382928, 26400080, 29228660, 40920124, 51150155, 58457320, 81840248, 102300310, 116914640, 163680496, 204600620, 409201240, 818402480]

約数ペア:

[(1, 818402480), (2, 409201240), (4, 204600620), (5, 163680496), (7, 116914640), (8, 102300310), (10, 81840248), (14, 58457320), (16, 51150155), (20, 40920124), (28, 29228660), (31, 26400080), (35, 23382928), (40, 20460062), (56, 14614330), (62, 13200040), (70, 11691464), (80, 10230031), (112, 7307165), (124, 6600020), (140, 5845732), (155, 5280016), (217, 3771440), (248, 3300010), (280, 2922866), (310, 2640008), (434, 1885720), (496, 1650005), (560, 1461433), (620, 1320004), (868, 942860), (1085, 754288), (1240, 660002), (1736, 471430), (2170, 377144), (2480, 330001), (3472, 235715), (4340, 188572), (8680, 94286), (17360, 47143)]