140328320

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:704

約数の個数: 128

約数和(自身を含む): 378362880

約数和(自身を除く): 238034560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 310, 320, 341, 352, 440, 496, 620, 640, 643, 682, 704, 880, 992, 1240, 1286, 1364, 1408, 1705, 1760, 1984, 2480, 2572, 2728, 3215, 3410, 3520, 3968, 4960, 5144, 5456, 6430, 6820, 7040, 7073, 9920, 10288, 10912, 12860, 13640, 14146, 19840, 19933, 20576, 21824, 25720, 27280, 28292, 35365, 39866, 41152, 43648, 51440, 54560, 56584, 70730, 79732, 82304, 99665, 102880, 109120, 113168, 141460, 159464, 199330, 205760, 218240, 219263, 226336, 282920, 318928, 398660, 411520, 438526, 452672, 565840, 637856, 797320, 877052, 905344, 1096315, 1131680, 1275712, 1594640, 1754104, 2192630, 2263360, 2551424, 3189280, 3508208, 4385260, 4526720, 6378560, 7016416, 8770520, 12757120, 14032832, 17541040, 28065664, 35082080, 70164160, 140328320]

約数ペア:

[(1, 140328320), (2, 70164160), (4, 35082080), (5, 28065664), (8, 17541040), (10, 14032832), (11, 12757120), (16, 8770520), (20, 7016416), (22, 6378560), (31, 4526720), (32, 4385260), (40, 3508208), (44, 3189280), (55, 2551424), (62, 2263360), (64, 2192630), (80, 1754104), (88, 1594640), (110, 1275712), (124, 1131680), (128, 1096315), (155, 905344), (160, 877052), (176, 797320), (220, 637856), (248, 565840), (310, 452672), (320, 438526), (341, 411520), (352, 398660), (440, 318928), (496, 282920), (620, 226336), (640, 219263), (643, 218240), (682, 205760), (704, 199330), (880, 159464), (992, 141460), (1240, 113168), (1286, 109120), (1364, 102880), (1408, 99665), (1705, 82304), (1760, 79732), (1984, 70730), (2480, 56584), (2572, 54560), (2728, 51440), (3215, 43648), (3410, 41152), (3520, 39866), (3968, 35365), (4960, 28292), (5144, 27280), (5456, 25720), (6430, 21824), (6820, 20576), (7040, 19933), (7073, 19840), (9920, 14146), (10288, 13640), (10912, 12860)]