328793440

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{439}}^1$

素因数の和:636

約数の個数: 96

約数和(自身を含む): 808980480

約数和(自身を除く): 480187040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 151, 155, 160, 248, 302, 310, 439, 496, 604, 620, 755, 878, 992, 1208, 1240, 1510, 1756, 2195, 2416, 2480, 3020, 3512, 4390, 4681, 4832, 4960, 6040, 7024, 8780, 9362, 12080, 13609, 14048, 17560, 18724, 23405, 24160, 27218, 35120, 37448, 46810, 54436, 66289, 68045, 70240, 74896, 93620, 108872, 132578, 136090, 149792, 187240, 217744, 265156, 272180, 331445, 374480, 435488, 530312, 544360, 662890, 748960, 1060624, 1088720, 1325780, 2054959, 2121248, 2177440, 2651560, 4109918, 5303120, 8219836, 10274795, 10606240, 16439672, 20549590, 32879344, 41099180, 65758688, 82198360, 164396720, 328793440]

約数ペア:

[(1, 328793440), (2, 164396720), (4, 82198360), (5, 65758688), (8, 41099180), (10, 32879344), (16, 20549590), (20, 16439672), (31, 10606240), (32, 10274795), (40, 8219836), (62, 5303120), (80, 4109918), (124, 2651560), (151, 2177440), (155, 2121248), (160, 2054959), (248, 1325780), (302, 1088720), (310, 1060624), (439, 748960), (496, 662890), (604, 544360), (620, 530312), (755, 435488), (878, 374480), (992, 331445), (1208, 272180), (1240, 265156), (1510, 217744), (1756, 187240), (2195, 149792), (2416, 136090), (2480, 132578), (3020, 108872), (3512, 93620), (4390, 74896), (4681, 70240), (4832, 68045), (4960, 66289), (6040, 54436), (7024, 46810), (8780, 37448), (9362, 35120), (12080, 27218), (13609, 24160), (14048, 23405), (17560, 18724)]