81772380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26723}}^1$

素因数の和:26755

約数の個数: 72

約数和(自身を含む): 262643472

約数和(自身を除く): 180871092

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, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 26723, 53446, 80169, 106892, 133615, 160338, 240507, 267230, 320676, 400845, 454291, 481014, 534460, 801690, 908582, 962028, 1202535, 1362873, 1603380, 1817164, 2271455, 2405070, 2725746, 4088619, 4542910, 4810140, 5451492, 6814365, 8177238, 9085820, 13628730, 16354476, 20443095, 27257460, 40886190, 81772380]

約数ペア:

[(1, 81772380), (2, 40886190), (3, 27257460), (4, 20443095), (5, 16354476), (6, 13628730), (9, 9085820), (10, 8177238), (12, 6814365), (15, 5451492), (17, 4810140), (18, 4542910), (20, 4088619), (30, 2725746), (34, 2405070), (36, 2271455), (45, 1817164), (51, 1603380), (60, 1362873), (68, 1202535), (85, 962028), (90, 908582), (102, 801690), (153, 534460), (170, 481014), (180, 454291), (204, 400845), (255, 320676), (306, 267230), (340, 240507), (510, 160338), (612, 133615), (765, 106892), (1020, 80169), (1530, 53446), (3060, 26723)]