21640548480

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{663007}}^1$

素因数の和:663046

約数の個数: 128

約数和(自身を含む): 73036961280

約数和(自身を除く): 51396412800

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, 128, 136, 160, 170, 192, 204, 240, 255, 272, 320, 340, 384, 408, 480, 510, 544, 640, 680, 816, 960, 1020, 1088, 1360, 1632, 1920, 2040, 2176, 2720, 3264, 4080, 5440, 6528, 8160, 10880, 16320, 32640, 663007, 1326014, 1989021, 2652028, 3315035, 3978042, 5304056, 6630070, 7956084, 9945105, 10608112, 11271119, 13260140, 15912168, 19890210, 21216224, 22542238, 26520280, 31824336, 33813357, 39780420, 42432448, 45084476, 53040560, 56355595, 63648672, 67626714, 79560840, 84864896, 90168952, 106081120, 112711190, 127297344, 135253428, 159121680, 169066785, 180337904, 212162240, 225422380, 254594688, 270506856, 318243360, 338133570, 360675808, 424324480, 450844760, 541013712, 636486720, 676267140, 721351616, 901689520, 1082027424, 1272973440, 1352534280, 1442703232, 1803379040, 2164054848, 2705068560, 3606758080, 4328109696, 5410137120, 7213516160, 10820274240, 21640548480]

約数ペア:

[(1, 21640548480), (2, 10820274240), (3, 7213516160), (4, 5410137120), (5, 4328109696), (6, 3606758080), (8, 2705068560), (10, 2164054848), (12, 1803379040), (15, 1442703232), (16, 1352534280), (17, 1272973440), (20, 1082027424), (24, 901689520), (30, 721351616), (32, 676267140), (34, 636486720), (40, 541013712), (48, 450844760), (51, 424324480), (60, 360675808), (64, 338133570), (68, 318243360), (80, 270506856), (85, 254594688), (96, 225422380), (102, 212162240), (120, 180337904), (128, 169066785), (136, 159121680), (160, 135253428), (170, 127297344), (192, 112711190), (204, 106081120), (240, 90168952), (255, 84864896), (272, 79560840), (320, 67626714), (340, 63648672), (384, 56355595), (408, 53040560), (480, 45084476), (510, 42432448), (544, 39780420), (640, 33813357), (680, 31824336), (816, 26520280), (960, 22542238), (1020, 21216224), (1088, 19890210), (1360, 15912168), (1632, 13260140), (1920, 11271119), (2040, 10608112), (2176, 9945105), (2720, 7956084), (3264, 6630070), (4080, 5304056), (5440, 3978042), (6528, 3315035), (8160, 2652028), (10880, 1989021), (16320, 1326014), (32640, 663007)]