139286720

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{739}}^1$

素因数の和:806

約数の個数: 112

約数和(自身を含む): 360883200

約数和(自身を除く): 221596480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 152, 155, 160, 190, 248, 304, 310, 320, 380, 496, 589, 608, 620, 739, 760, 992, 1178, 1216, 1240, 1478, 1520, 1984, 2356, 2480, 2945, 2956, 3040, 3695, 4712, 4960, 5890, 5912, 6080, 7390, 9424, 9920, 11780, 11824, 14041, 14780, 18848, 22909, 23560, 23648, 28082, 29560, 37696, 45818, 47120, 47296, 56164, 59120, 70205, 91636, 94240, 112328, 114545, 118240, 140410, 183272, 188480, 224656, 229090, 236480, 280820, 366544, 435271, 449312, 458180, 561640, 733088, 870542, 898624, 916360, 1123280, 1466176, 1741084, 1832720, 2176355, 2246560, 3482168, 3665440, 4352710, 4493120, 6964336, 7330880, 8705420, 13928672, 17410840, 27857344, 34821680, 69643360, 139286720]

約数ペア:

[(1, 139286720), (2, 69643360), (4, 34821680), (5, 27857344), (8, 17410840), (10, 13928672), (16, 8705420), (19, 7330880), (20, 6964336), (31, 4493120), (32, 4352710), (38, 3665440), (40, 3482168), (62, 2246560), (64, 2176355), (76, 1832720), (80, 1741084), (95, 1466176), (124, 1123280), (152, 916360), (155, 898624), (160, 870542), (190, 733088), (248, 561640), (304, 458180), (310, 449312), (320, 435271), (380, 366544), (496, 280820), (589, 236480), (608, 229090), (620, 224656), (739, 188480), (760, 183272), (992, 140410), (1178, 118240), (1216, 114545), (1240, 112328), (1478, 94240), (1520, 91636), (1984, 70205), (2356, 59120), (2480, 56164), (2945, 47296), (2956, 47120), (3040, 45818), (3695, 37696), (4712, 29560), (4960, 28082), (5890, 23648), (5912, 23560), (6080, 22909), (7390, 18848), (9424, 14780), (9920, 14041), (11780, 11824)]