80909460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1$

素因数の和:362

約数の個数: 144

約数和(自身を含む): 263115216

約数和(自身を除く): 182205756

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 137, 153, 170, 180, 193, 204, 255, 274, 306, 340, 386, 411, 510, 548, 579, 612, 685, 765, 772, 822, 965, 1020, 1158, 1233, 1370, 1530, 1644, 1737, 1930, 2055, 2316, 2329, 2466, 2740, 2895, 3060, 3281, 3474, 3860, 4110, 4658, 4932, 5790, 6165, 6562, 6948, 6987, 8220, 8685, 9316, 9843, 11580, 11645, 12330, 13124, 13974, 16405, 17370, 19686, 20961, 23290, 24660, 26441, 27948, 29529, 32810, 34740, 34935, 39372, 41922, 46580, 49215, 52882, 59058, 65620, 69870, 79323, 83844, 98430, 104805, 105764, 118116, 132205, 139740, 147645, 158646, 196860, 209610, 237969, 264410, 295290, 317292, 396615, 419220, 449497, 475938, 528820, 590580, 793230, 898994, 951876, 1189845, 1348491, 1586460, 1797988, 2247485, 2379690, 2696982, 4045473, 4494970, 4759380, 5393964, 6742455, 8090946, 8989940, 13484910, 16181892, 20227365, 26969820, 40454730, 80909460]

約数ペア:

[(1, 80909460), (2, 40454730), (3, 26969820), (4, 20227365), (5, 16181892), (6, 13484910), (9, 8989940), (10, 8090946), (12, 6742455), (15, 5393964), (17, 4759380), (18, 4494970), (20, 4045473), (30, 2696982), (34, 2379690), (36, 2247485), (45, 1797988), (51, 1586460), (60, 1348491), (68, 1189845), (85, 951876), (90, 898994), (102, 793230), (137, 590580), (153, 528820), (170, 475938), (180, 449497), (193, 419220), (204, 396615), (255, 317292), (274, 295290), (306, 264410), (340, 237969), (386, 209610), (411, 196860), (510, 158646), (548, 147645), (579, 139740), (612, 132205), (685, 118116), (765, 105764), (772, 104805), (822, 98430), (965, 83844), (1020, 79323), (1158, 69870), (1233, 65620), (1370, 59058), (1530, 52882), (1644, 49215), (1737, 46580), (1930, 41922), (2055, 39372), (2316, 34935), (2329, 34740), (2466, 32810), (2740, 29529), (2895, 27948), (3060, 26441), (3281, 24660), (3474, 23290), (3860, 20961), (4110, 19686), (4658, 17370), (4932, 16405), (5790, 13974), (6165, 13124), (6562, 12330), (6948, 11645), (6987, 11580), (8220, 9843), (8685, 9316)]