61491000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:326

約数の個数: 128

約数和(自身を含む): 194688000

約数和(自身を除く): 133197000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 103, 120, 125, 150, 199, 200, 206, 250, 300, 309, 375, 398, 412, 500, 515, 597, 600, 618, 750, 796, 824, 995, 1000, 1030, 1194, 1236, 1500, 1545, 1592, 1990, 2060, 2388, 2472, 2575, 2985, 3000, 3090, 3980, 4120, 4776, 4975, 5150, 5970, 6180, 7725, 7960, 9950, 10300, 11940, 12360, 12875, 14925, 15450, 19900, 20497, 20600, 23880, 24875, 25750, 29850, 30900, 38625, 39800, 40994, 49750, 51500, 59700, 61491, 61800, 74625, 77250, 81988, 99500, 102485, 103000, 119400, 122982, 149250, 154500, 163976, 199000, 204970, 245964, 298500, 307455, 309000, 409940, 491928, 512425, 597000, 614910, 819880, 1024850, 1229820, 1537275, 2049700, 2459640, 2562125, 3074550, 4099400, 5124250, 6149100, 7686375, 10248500, 12298200, 15372750, 20497000, 30745500, 61491000]

約数ペア:

[(1, 61491000), (2, 30745500), (3, 20497000), (4, 15372750), (5, 12298200), (6, 10248500), (8, 7686375), (10, 6149100), (12, 5124250), (15, 4099400), (20, 3074550), (24, 2562125), (25, 2459640), (30, 2049700), (40, 1537275), (50, 1229820), (60, 1024850), (75, 819880), (100, 614910), (103, 597000), (120, 512425), (125, 491928), (150, 409940), (199, 309000), (200, 307455), (206, 298500), (250, 245964), (300, 204970), (309, 199000), (375, 163976), (398, 154500), (412, 149250), (500, 122982), (515, 119400), (597, 103000), (600, 102485), (618, 99500), (750, 81988), (796, 77250), (824, 74625), (995, 61800), (1000, 61491), (1030, 59700), (1194, 51500), (1236, 49750), (1500, 40994), (1545, 39800), (1592, 38625), (1990, 30900), (2060, 29850), (2388, 25750), (2472, 24875), (2575, 23880), (2985, 20600), (3000, 20497), (3090, 19900), (3980, 15450), (4120, 14925), (4776, 12875), (4975, 12360), (5150, 11940), (5970, 10300), (6180, 9950), (7725, 7960)]