28517520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3833}}^1$

素因数の和:3880

約数の個数: 80

約数和(自身を含む): 91279872

約数和(自身を除く): 62762352

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 3833, 7440, 7666, 11499, 15332, 19165, 22998, 30664, 38330, 45996, 57495, 61328, 76660, 91992, 114990, 118823, 153320, 183984, 229980, 237646, 306640, 356469, 459960, 475292, 594115, 712938, 919920, 950584, 1188230, 1425876, 1782345, 1901168, 2376460, 2851752, 3564690, 4752920, 5703504, 7129380, 9505840, 14258760, 28517520]

約数ペア:

[(1, 28517520), (2, 14258760), (3, 9505840), (4, 7129380), (5, 5703504), (6, 4752920), (8, 3564690), (10, 2851752), (12, 2376460), (15, 1901168), (16, 1782345), (20, 1425876), (24, 1188230), (30, 950584), (31, 919920), (40, 712938), (48, 594115), (60, 475292), (62, 459960), (80, 356469), (93, 306640), (120, 237646), (124, 229980), (155, 183984), (186, 153320), (240, 118823), (248, 114990), (310, 91992), (372, 76660), (465, 61328), (496, 57495), (620, 45996), (744, 38330), (930, 30664), (1240, 22998), (1488, 19165), (1860, 15332), (2480, 11499), (3720, 7666), (3833, 7440)]