27920620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1$

素因数の和:104

約数の個数: 144

約数和(自身を含む): 78039360

約数和(自身を除く): 50118740

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 23, 26, 28, 29, 35, 46, 52, 58, 65, 70, 91, 92, 115, 116, 130, 140, 145, 161, 182, 203, 230, 260, 290, 299, 322, 364, 377, 406, 455, 460, 529, 580, 598, 644, 667, 754, 805, 812, 910, 1015, 1058, 1196, 1334, 1495, 1508, 1610, 1820, 1885, 2030, 2093, 2116, 2639, 2645, 2668, 2990, 3220, 3335, 3703, 3770, 4060, 4186, 4669, 5278, 5290, 5980, 6670, 6877, 7406, 7540, 8372, 8671, 9338, 10465, 10556, 10580, 13195, 13340, 13754, 14812, 15341, 17342, 18515, 18676, 20930, 23345, 26390, 27508, 30682, 34385, 34684, 37030, 41860, 43355, 46690, 48139, 52780, 60697, 61364, 68770, 74060, 76705, 86710, 93380, 96278, 107387, 121394, 137540, 153410, 173420, 192556, 199433, 214774, 240695, 242788, 303485, 306820, 398866, 429548, 481390, 536935, 606970, 797732, 962780, 997165, 1073870, 1213940, 1396031, 1994330, 2147740, 2792062, 3988660, 5584124, 6980155, 13960310, 27920620]

約数ペア:

[(1, 27920620), (2, 13960310), (4, 6980155), (5, 5584124), (7, 3988660), (10, 2792062), (13, 2147740), (14, 1994330), (20, 1396031), (23, 1213940), (26, 1073870), (28, 997165), (29, 962780), (35, 797732), (46, 606970), (52, 536935), (58, 481390), (65, 429548), (70, 398866), (91, 306820), (92, 303485), (115, 242788), (116, 240695), (130, 214774), (140, 199433), (145, 192556), (161, 173420), (182, 153410), (203, 137540), (230, 121394), (260, 107387), (290, 96278), (299, 93380), (322, 86710), (364, 76705), (377, 74060), (406, 68770), (455, 61364), (460, 60697), (529, 52780), (580, 48139), (598, 46690), (644, 43355), (667, 41860), (754, 37030), (805, 34684), (812, 34385), (910, 30682), (1015, 27508), (1058, 26390), (1196, 23345), (1334, 20930), (1495, 18676), (1508, 18515), (1610, 17342), (1820, 15341), (1885, 14812), (2030, 13754), (2093, 13340), (2116, 13195), (2639, 10580), (2645, 10556), (2668, 10465), (2990, 9338), (3220, 8671), (3335, 8372), (3703, 7540), (3770, 7406), (4060, 6877), (4186, 6670), (4669, 5980), (5278, 5290)]