281004750

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{13}}^2\times {\mathrm{739}}^1$

素因数の和:788

約数の個数: 144

約数和(自身を含む): 823895280

約数和(自身を除く): 542890530

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 65, 75, 78, 90, 117, 125, 130, 150, 169, 195, 225, 234, 250, 325, 338, 375, 390, 450, 507, 585, 650, 739, 750, 845, 975, 1014, 1125, 1170, 1478, 1521, 1625, 1690, 1950, 2217, 2250, 2535, 2925, 3042, 3250, 3695, 4225, 4434, 4875, 5070, 5850, 6651, 7390, 7605, 8450, 9607, 9750, 11085, 12675, 13302, 14625, 15210, 18475, 19214, 21125, 22170, 25350, 28821, 29250, 33255, 36950, 38025, 42250, 48035, 55425, 57642, 63375, 66510, 76050, 86463, 92375, 96070, 110850, 124891, 126750, 144105, 166275, 172926, 184750, 190125, 240175, 249782, 277125, 288210, 332550, 374673, 380250, 432315, 480350, 554250, 624455, 720525, 749346, 831375, 864630, 1124019, 1200875, 1248910, 1441050, 1662750, 1873365, 2161575, 2248038, 2401750, 3122275, 3602625, 3746730, 4323150, 5620095, 6244550, 7205250, 9366825, 10807875, 11240190, 15611375, 18733650, 21615750, 28100475, 31222750, 46834125, 56200950, 93668250, 140502375, 281004750]

約数ペア:

[(1, 281004750), (2, 140502375), (3, 93668250), (5, 56200950), (6, 46834125), (9, 31222750), (10, 28100475), (13, 21615750), (15, 18733650), (18, 15611375), (25, 11240190), (26, 10807875), (30, 9366825), (39, 7205250), (45, 6244550), (50, 5620095), (65, 4323150), (75, 3746730), (78, 3602625), (90, 3122275), (117, 2401750), (125, 2248038), (130, 2161575), (150, 1873365), (169, 1662750), (195, 1441050), (225, 1248910), (234, 1200875), (250, 1124019), (325, 864630), (338, 831375), (375, 749346), (390, 720525), (450, 624455), (507, 554250), (585, 480350), (650, 432315), (739, 380250), (750, 374673), (845, 332550), (975, 288210), (1014, 277125), (1125, 249782), (1170, 240175), (1478, 190125), (1521, 184750), (1625, 172926), (1690, 166275), (1950, 144105), (2217, 126750), (2250, 124891), (2535, 110850), (2925, 96070), (3042, 92375), (3250, 86463), (3695, 76050), (4225, 66510), (4434, 63375), (4875, 57642), (5070, 55425), (5850, 48035), (6651, 42250), (7390, 38025), (7605, 36950), (8450, 33255), (9607, 29250), (9750, 28821), (11085, 25350), (12675, 22170), (13302, 21125), (14625, 19214), (15210, 18475)]