17438120

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:104

約数の個数: 128

約数和(自身を含む): 48384000

約数和(自身を除く): 30945880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 41, 49, 56, 62, 70, 82, 98, 124, 140, 155, 164, 196, 205, 217, 245, 248, 280, 287, 310, 328, 343, 392, 410, 434, 490, 574, 620, 686, 820, 868, 980, 1085, 1148, 1240, 1271, 1372, 1435, 1519, 1640, 1715, 1736, 1960, 2009, 2170, 2296, 2542, 2744, 2870, 3038, 3430, 4018, 4340, 5084, 5740, 6076, 6355, 6860, 7595, 8036, 8680, 8897, 10045, 10168, 10633, 11480, 12152, 12710, 13720, 14063, 15190, 16072, 17794, 20090, 21266, 25420, 28126, 30380, 35588, 40180, 42532, 44485, 50840, 53165, 56252, 60760, 62279, 70315, 71176, 80360, 85064, 88970, 106330, 112504, 124558, 140630, 177940, 212660, 249116, 281260, 311395, 355880, 425320, 435953, 498232, 562520, 622790, 871906, 1245580, 1743812, 2179765, 2491160, 3487624, 4359530, 8719060, 17438120]

約数ペア:

[(1, 17438120), (2, 8719060), (4, 4359530), (5, 3487624), (7, 2491160), (8, 2179765), (10, 1743812), (14, 1245580), (20, 871906), (28, 622790), (31, 562520), (35, 498232), (40, 435953), (41, 425320), (49, 355880), (56, 311395), (62, 281260), (70, 249116), (82, 212660), (98, 177940), (124, 140630), (140, 124558), (155, 112504), (164, 106330), (196, 88970), (205, 85064), (217, 80360), (245, 71176), (248, 70315), (280, 62279), (287, 60760), (310, 56252), (328, 53165), (343, 50840), (392, 44485), (410, 42532), (434, 40180), (490, 35588), (574, 30380), (620, 28126), (686, 25420), (820, 21266), (868, 20090), (980, 17794), (1085, 16072), (1148, 15190), (1240, 14063), (1271, 13720), (1372, 12710), (1435, 12152), (1519, 11480), (1640, 10633), (1715, 10168), (1736, 10045), (1960, 8897), (2009, 8680), (2170, 8036), (2296, 7595), (2542, 6860), (2744, 6355), (2870, 6076), (3038, 5740), (3430, 5084), (4018, 4340)]