285743120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8863}}^1$

素因数の和:8920

約数の個数: 80

約数和(自身を含む): 738619392

約数和(自身を除く): 452876272

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 8863, 16120, 17726, 32240, 35452, 44315, 70904, 88630, 115219, 141808, 177260, 230438, 274753, 354520, 460876, 549506, 576095, 709040, 921752, 1099012, 1152190, 1373765, 1843504, 2198024, 2304380, 2747530, 3571789, 4396048, 4608760, 5495060, 7143578, 9217520, 10990120, 14287156, 17858945, 21980240, 28574312, 35717890, 57148624, 71435780, 142871560, 285743120]

約数ペア:

[(1, 285743120), (2, 142871560), (4, 71435780), (5, 57148624), (8, 35717890), (10, 28574312), (13, 21980240), (16, 17858945), (20, 14287156), (26, 10990120), (31, 9217520), (40, 7143578), (52, 5495060), (62, 4608760), (65, 4396048), (80, 3571789), (104, 2747530), (124, 2304380), (130, 2198024), (155, 1843504), (208, 1373765), (248, 1152190), (260, 1099012), (310, 921752), (403, 709040), (496, 576095), (520, 549506), (620, 460876), (806, 354520), (1040, 274753), (1240, 230438), (1612, 177260), (2015, 141808), (2480, 115219), (3224, 88630), (4030, 70904), (6448, 44315), (8060, 35452), (8863, 32240), (16120, 17726)]