215117680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{683}}^1$

素因数の和:854

約数の個数: 80

約数和(自身を含む): 521109504

約数和(自身を除く): 305991824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 127, 155, 248, 254, 310, 496, 508, 620, 635, 683, 1016, 1240, 1270, 1366, 2032, 2480, 2540, 2732, 3415, 3937, 5080, 5464, 6830, 7874, 10160, 10928, 13660, 15748, 19685, 21173, 27320, 31496, 39370, 42346, 54640, 62992, 78740, 84692, 86741, 105865, 157480, 169384, 173482, 211730, 314960, 338768, 346964, 423460, 433705, 693928, 846920, 867410, 1387856, 1693840, 1734820, 2688971, 3469640, 5377942, 6939280, 10755884, 13444855, 21511768, 26889710, 43023536, 53779420, 107558840, 215117680]

約数ペア:

[(1, 215117680), (2, 107558840), (4, 53779420), (5, 43023536), (8, 26889710), (10, 21511768), (16, 13444855), (20, 10755884), (31, 6939280), (40, 5377942), (62, 3469640), (80, 2688971), (124, 1734820), (127, 1693840), (155, 1387856), (248, 867410), (254, 846920), (310, 693928), (496, 433705), (508, 423460), (620, 346964), (635, 338768), (683, 314960), (1016, 211730), (1240, 173482), (1270, 169384), (1366, 157480), (2032, 105865), (2480, 86741), (2540, 84692), (2732, 78740), (3415, 62992), (3937, 54640), (5080, 42346), (5464, 39370), (6830, 31496), (7874, 27320), (10160, 21173), (10928, 19685), (13660, 15748)]