81647460

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3217}}^1$

素因数の和:3282

約数の個数: 96

約数和(自身を含む): 259499520

約数和(自身を除く): 177852060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 47, 54, 60, 90, 94, 108, 135, 141, 180, 188, 235, 270, 282, 423, 470, 540, 564, 705, 846, 940, 1269, 1410, 1692, 2115, 2538, 2820, 3217, 4230, 5076, 6345, 6434, 8460, 9651, 12690, 12868, 16085, 19302, 25380, 28953, 32170, 38604, 48255, 57906, 64340, 86859, 96510, 115812, 144765, 151199, 173718, 193020, 289530, 302398, 347436, 434295, 453597, 579060, 604796, 755995, 868590, 907194, 1360791, 1511990, 1737180, 1814388, 2267985, 2721582, 3023980, 4082373, 4535970, 5443164, 6803955, 8164746, 9071940, 13607910, 16329492, 20411865, 27215820, 40823730, 81647460]

約数ペア:

[(1, 81647460), (2, 40823730), (3, 27215820), (4, 20411865), (5, 16329492), (6, 13607910), (9, 9071940), (10, 8164746), (12, 6803955), (15, 5443164), (18, 4535970), (20, 4082373), (27, 3023980), (30, 2721582), (36, 2267985), (45, 1814388), (47, 1737180), (54, 1511990), (60, 1360791), (90, 907194), (94, 868590), (108, 755995), (135, 604796), (141, 579060), (180, 453597), (188, 434295), (235, 347436), (270, 302398), (282, 289530), (423, 193020), (470, 173718), (540, 151199), (564, 144765), (705, 115812), (846, 96510), (940, 86859), (1269, 64340), (1410, 57906), (1692, 48255), (2115, 38604), (2538, 32170), (2820, 28953), (3217, 25380), (4230, 19302), (5076, 16085), (6345, 12868), (6434, 12690), (8460, 9651)]