28107120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^2$

素因数の和:199

約数の個数: 120

約数和(自身を含む): 93382416

約数和(自身を除く): 65275296

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 83, 85, 102, 120, 136, 166, 170, 204, 240, 249, 255, 272, 332, 340, 408, 415, 498, 510, 664, 680, 816, 830, 996, 1020, 1245, 1328, 1360, 1411, 1660, 1992, 2040, 2490, 2822, 3320, 3984, 4080, 4233, 4980, 5644, 6640, 6889, 7055, 8466, 9960, 11288, 13778, 14110, 16932, 19920, 20667, 21165, 22576, 27556, 28220, 33864, 34445, 41334, 42330, 55112, 56440, 67728, 68890, 82668, 84660, 103335, 110224, 112880, 117113, 137780, 165336, 169320, 206670, 234226, 275560, 330672, 338640, 351339, 413340, 468452, 551120, 585565, 702678, 826680, 936904, 1171130, 1405356, 1653360, 1756695, 1873808, 2342260, 2810712, 3513390, 4684520, 5621424, 7026780, 9369040, 14053560, 28107120]

約数ペア:

[(1, 28107120), (2, 14053560), (3, 9369040), (4, 7026780), (5, 5621424), (6, 4684520), (8, 3513390), (10, 2810712), (12, 2342260), (15, 1873808), (16, 1756695), (17, 1653360), (20, 1405356), (24, 1171130), (30, 936904), (34, 826680), (40, 702678), (48, 585565), (51, 551120), (60, 468452), (68, 413340), (80, 351339), (83, 338640), (85, 330672), (102, 275560), (120, 234226), (136, 206670), (166, 169320), (170, 165336), (204, 137780), (240, 117113), (249, 112880), (255, 110224), (272, 103335), (332, 84660), (340, 82668), (408, 68890), (415, 67728), (498, 56440), (510, 55112), (664, 42330), (680, 41334), (816, 34445), (830, 33864), (996, 28220), (1020, 27556), (1245, 22576), (1328, 21165), (1360, 20667), (1411, 19920), (1660, 16932), (1992, 14110), (2040, 13778), (2490, 11288), (2822, 9960), (3320, 8466), (3984, 7055), (4080, 6889), (4233, 6640), (4980, 5644)]