256798800

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{71333}}^1$

素因数の和:71357

約数の個数: 90

約数和(自身を含む): 891175662

約数和(自身を除く): 634376862

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 100, 120, 144, 150, 180, 200, 225, 240, 300, 360, 400, 450, 600, 720, 900, 1200, 1800, 3600, 71333, 142666, 213999, 285332, 356665, 427998, 570664, 641997, 713330, 855996, 1069995, 1141328, 1283994, 1426660, 1711992, 1783325, 2139990, 2567988, 2853320, 3209985, 3423984, 3566650, 4279980, 5135976, 5349975, 5706640, 6419970, 7133300, 8559960, 10271952, 10699950, 12839940, 14266600, 16049925, 17119920, 21399900, 25679880, 28533200, 32099850, 42799800, 51359760, 64199700, 85599600, 128399400, 256798800]

約数ペア:

[(1, 256798800), (2, 128399400), (3, 85599600), (4, 64199700), (5, 51359760), (6, 42799800), (8, 32099850), (9, 28533200), (10, 25679880), (12, 21399900), (15, 17119920), (16, 16049925), (18, 14266600), (20, 12839940), (24, 10699950), (25, 10271952), (30, 8559960), (36, 7133300), (40, 6419970), (45, 5706640), (48, 5349975), (50, 5135976), (60, 4279980), (72, 3566650), (75, 3423984), (80, 3209985), (90, 2853320), (100, 2567988), (120, 2139990), (144, 1783325), (150, 1711992), (180, 1426660), (200, 1283994), (225, 1141328), (240, 1069995), (300, 855996), (360, 713330), (400, 641997), (450, 570664), (600, 427998), (720, 356665), (900, 285332), (1200, 213999), (1800, 142666), (3600, 71333)]