80080020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{29}}^2$

素因数の和:119

約数の個数: 162

約数和(自身を含む): 262987998

約数和(自身を除く): 182907978

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 29, 30, 36, 45, 46, 58, 60, 69, 87, 90, 92, 115, 116, 138, 145, 174, 180, 207, 230, 261, 276, 290, 345, 348, 414, 435, 460, 522, 529, 580, 667, 690, 828, 841, 870, 1035, 1044, 1058, 1305, 1334, 1380, 1587, 1682, 1740, 2001, 2070, 2116, 2523, 2610, 2645, 2668, 3174, 3335, 3364, 4002, 4140, 4205, 4761, 5046, 5220, 5290, 6003, 6348, 6670, 7569, 7935, 8004, 8410, 9522, 10005, 10092, 10580, 12006, 12615, 13340, 15138, 15341, 15870, 16820, 19044, 19343, 20010, 23805, 24012, 25230, 30015, 30276, 30682, 31740, 37845, 38686, 40020, 46023, 47610, 50460, 58029, 60030, 61364, 75690, 76705, 77372, 92046, 95220, 96715, 116058, 120060, 138069, 151380, 153410, 174087, 184092, 193430, 230115, 232116, 276138, 290145, 306820, 348174, 386860, 444889, 460230, 552276, 580290, 690345, 696348, 870435, 889778, 920460, 1160580, 1334667, 1380690, 1740870, 1779556, 2224445, 2669334, 2761380, 3481740, 4004001, 4448890, 5338668, 6673335, 8008002, 8897780, 13346670, 16016004, 20020005, 26693340, 40040010, 80080020]

約数ペア:

[(1, 80080020), (2, 40040010), (3, 26693340), (4, 20020005), (5, 16016004), (6, 13346670), (9, 8897780), (10, 8008002), (12, 6673335), (15, 5338668), (18, 4448890), (20, 4004001), (23, 3481740), (29, 2761380), (30, 2669334), (36, 2224445), (45, 1779556), (46, 1740870), (58, 1380690), (60, 1334667), (69, 1160580), (87, 920460), (90, 889778), (92, 870435), (115, 696348), (116, 690345), (138, 580290), (145, 552276), (174, 460230), (180, 444889), (207, 386860), (230, 348174), (261, 306820), (276, 290145), (290, 276138), (345, 232116), (348, 230115), (414, 193430), (435, 184092), (460, 174087), (522, 153410), (529, 151380), (580, 138069), (667, 120060), (690, 116058), (828, 96715), (841, 95220), (870, 92046), (1035, 77372), (1044, 76705), (1058, 75690), (1305, 61364), (1334, 60030), (1380, 58029), (1587, 50460), (1682, 47610), (1740, 46023), (2001, 40020), (2070, 38686), (2116, 37845), (2523, 31740), (2610, 30682), (2645, 30276), (2668, 30015), (3174, 25230), (3335, 24012), (3364, 23805), (4002, 20010), (4140, 19343), (4205, 19044), (4761, 16820), (5046, 15870), (5220, 15341), (5290, 15138), (6003, 13340), (6348, 12615), (6670, 12006), (7569, 10580), (7935, 10092), (8004, 10005), (8410, 9522)]