21526080

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1319}}^1$

素因数の和:1356

約数の個数: 112

約数和(自身を含む): 72420480

約数和(自身を除く): 50894400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 136, 160, 170, 192, 204, 240, 255, 272, 320, 340, 408, 480, 510, 544, 680, 816, 960, 1020, 1088, 1319, 1360, 1632, 2040, 2638, 2720, 3264, 3957, 4080, 5276, 5440, 6595, 7914, 8160, 10552, 13190, 15828, 16320, 19785, 21104, 22423, 26380, 31656, 39570, 42208, 44846, 52760, 63312, 67269, 79140, 84416, 89692, 105520, 112115, 126624, 134538, 158280, 179384, 211040, 224230, 253248, 269076, 316560, 336345, 358768, 422080, 448460, 538152, 633120, 672690, 717536, 896920, 1076304, 1266240, 1345380, 1435072, 1793840, 2152608, 2690760, 3587680, 4305216, 5381520, 7175360, 10763040, 21526080]

約数ペア:

[(1, 21526080), (2, 10763040), (3, 7175360), (4, 5381520), (5, 4305216), (6, 3587680), (8, 2690760), (10, 2152608), (12, 1793840), (15, 1435072), (16, 1345380), (17, 1266240), (20, 1076304), (24, 896920), (30, 717536), (32, 672690), (34, 633120), (40, 538152), (48, 448460), (51, 422080), (60, 358768), (64, 336345), (68, 316560), (80, 269076), (85, 253248), (96, 224230), (102, 211040), (120, 179384), (136, 158280), (160, 134538), (170, 126624), (192, 112115), (204, 105520), (240, 89692), (255, 84416), (272, 79140), (320, 67269), (340, 63312), (408, 52760), (480, 44846), (510, 42208), (544, 39570), (680, 31656), (816, 26380), (960, 22423), (1020, 21104), (1088, 19785), (1319, 16320), (1360, 15828), (1632, 13190), (2040, 10552), (2638, 8160), (2720, 7914), (3264, 6595), (3957, 5440), (4080, 5276)]