9964640

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:101

約数の個数: 144

約数和(自身を含む): 28957824

約数和(自身を除く): 18993184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 41, 49, 56, 62, 70, 80, 82, 98, 112, 124, 140, 155, 160, 164, 196, 205, 217, 224, 245, 248, 280, 287, 310, 328, 392, 410, 434, 490, 496, 560, 574, 620, 656, 784, 820, 868, 980, 992, 1085, 1120, 1148, 1240, 1271, 1312, 1435, 1519, 1568, 1640, 1736, 1960, 2009, 2170, 2296, 2480, 2542, 2870, 3038, 3280, 3472, 3920, 4018, 4340, 4592, 4960, 5084, 5740, 6076, 6355, 6560, 6944, 7595, 7840, 8036, 8680, 8897, 9184, 10045, 10168, 11480, 12152, 12710, 15190, 16072, 17360, 17794, 20090, 20336, 22960, 24304, 25420, 30380, 32144, 34720, 35588, 40180, 40672, 44485, 45920, 48608, 50840, 60760, 62279, 64288, 71176, 80360, 88970, 101680, 121520, 124558, 142352, 160720, 177940, 203360, 243040, 249116, 284704, 311395, 321440, 355880, 498232, 622790, 711760, 996464, 1245580, 1423520, 1992928, 2491160, 4982320, 9964640]

約数ペア:

[(1, 9964640), (2, 4982320), (4, 2491160), (5, 1992928), (7, 1423520), (8, 1245580), (10, 996464), (14, 711760), (16, 622790), (20, 498232), (28, 355880), (31, 321440), (32, 311395), (35, 284704), (40, 249116), (41, 243040), (49, 203360), (56, 177940), (62, 160720), (70, 142352), (80, 124558), (82, 121520), (98, 101680), (112, 88970), (124, 80360), (140, 71176), (155, 64288), (160, 62279), (164, 60760), (196, 50840), (205, 48608), (217, 45920), (224, 44485), (245, 40672), (248, 40180), (280, 35588), (287, 34720), (310, 32144), (328, 30380), (392, 25420), (410, 24304), (434, 22960), (490, 20336), (496, 20090), (560, 17794), (574, 17360), (620, 16072), (656, 15190), (784, 12710), (820, 12152), (868, 11480), (980, 10168), (992, 10045), (1085, 9184), (1120, 8897), (1148, 8680), (1240, 8036), (1271, 7840), (1312, 7595), (1435, 6944), (1519, 6560), (1568, 6355), (1640, 6076), (1736, 5740), (1960, 5084), (2009, 4960), (2170, 4592), (2296, 4340), (2480, 4018), (2542, 3920), (2870, 3472), (3038, 3280)]