81050580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1823}}^1$

素因数の和:1870

約数の個数: 144

約数和(自身を含む): 278853120

約数和(自身を除く): 197802540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 342, 380, 390, 468, 494, 570, 585, 684, 741, 780, 855, 988, 1140, 1170, 1235, 1482, 1710, 1823, 2223, 2340, 2470, 2964, 3420, 3646, 3705, 4446, 4940, 5469, 7292, 7410, 8892, 9115, 10938, 11115, 14820, 16407, 18230, 21876, 22230, 23699, 27345, 32814, 34637, 36460, 44460, 47398, 54690, 65628, 69274, 71097, 82035, 94796, 103911, 109380, 118495, 138548, 142194, 164070, 173185, 207822, 213291, 236990, 284388, 311733, 328140, 346370, 355485, 415644, 426582, 450281, 473980, 519555, 623466, 692740, 710970, 853164, 900562, 1039110, 1066455, 1246932, 1350843, 1421940, 1558665, 1801124, 2078220, 2132910, 2251405, 2701686, 3117330, 4052529, 4265820, 4502810, 5403372, 6234660, 6754215, 8105058, 9005620, 13508430, 16210116, 20262645, 27016860, 40525290, 81050580]

約数ペア:

[(1, 81050580), (2, 40525290), (3, 27016860), (4, 20262645), (5, 16210116), (6, 13508430), (9, 9005620), (10, 8105058), (12, 6754215), (13, 6234660), (15, 5403372), (18, 4502810), (19, 4265820), (20, 4052529), (26, 3117330), (30, 2701686), (36, 2251405), (38, 2132910), (39, 2078220), (45, 1801124), (52, 1558665), (57, 1421940), (60, 1350843), (65, 1246932), (76, 1066455), (78, 1039110), (90, 900562), (95, 853164), (114, 710970), (117, 692740), (130, 623466), (156, 519555), (171, 473980), (180, 450281), (190, 426582), (195, 415644), (228, 355485), (234, 346370), (247, 328140), (260, 311733), (285, 284388), (342, 236990), (380, 213291), (390, 207822), (468, 173185), (494, 164070), (570, 142194), (585, 138548), (684, 118495), (741, 109380), (780, 103911), (855, 94796), (988, 82035), (1140, 71097), (1170, 69274), (1235, 65628), (1482, 54690), (1710, 47398), (1823, 44460), (2223, 36460), (2340, 34637), (2470, 32814), (2964, 27345), (3420, 23699), (3646, 22230), (3705, 21876), (4446, 18230), (4940, 16407), (5469, 14820), (7292, 11115), (7410, 10938), (8892, 9115)]