81247500

素因数分解:

$2^2\times 3^2\times 5^4\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:210

約数の個数: 180

約数和(自身を含む): 269501232

約数和(自身を除く): 188253732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 25, 30, 36, 45, 46, 50, 60, 69, 75, 90, 92, 100, 115, 125, 138, 150, 157, 180, 207, 225, 230, 250, 276, 300, 314, 345, 375, 414, 450, 460, 471, 500, 575, 625, 628, 690, 750, 785, 828, 900, 942, 1035, 1125, 1150, 1250, 1380, 1413, 1500, 1570, 1725, 1875, 1884, 2070, 2250, 2300, 2355, 2500, 2826, 2875, 3140, 3450, 3611, 3750, 3925, 4140, 4500, 4710, 5175, 5625, 5652, 5750, 6900, 7065, 7222, 7500, 7850, 8625, 9420, 10350, 10833, 11250, 11500, 11775, 14130, 14375, 14444, 15700, 17250, 18055, 19625, 20700, 21666, 22500, 23550, 25875, 28260, 28750, 32499, 34500, 35325, 36110, 39250, 43125, 43332, 47100, 51750, 54165, 57500, 58875, 64998, 70650, 72220, 78500, 86250, 90275, 98125, 103500, 108330, 117750, 129375, 129996, 141300, 162495, 172500, 176625, 180550, 196250, 216660, 235500, 258750, 270825, 294375, 324990, 353250, 361100, 392500, 451375, 517500, 541650, 588750, 649980, 706500, 812475, 883125, 902750, 1083300, 1177500, 1354125, 1624950, 1766250, 1805500, 2256875, 2708250, 3249900, 3532500, 4062375, 4513750, 5416500, 6770625, 8124750, 9027500, 13541250, 16249500, 20311875, 27082500, 40623750, 81247500]

約数ペア:

[(1, 81247500), (2, 40623750), (3, 27082500), (4, 20311875), (5, 16249500), (6, 13541250), (9, 9027500), (10, 8124750), (12, 6770625), (15, 5416500), (18, 4513750), (20, 4062375), (23, 3532500), (25, 3249900), (30, 2708250), (36, 2256875), (45, 1805500), (46, 1766250), (50, 1624950), (60, 1354125), (69, 1177500), (75, 1083300), (90, 902750), (92, 883125), (100, 812475), (115, 706500), (125, 649980), (138, 588750), (150, 541650), (157, 517500), (180, 451375), (207, 392500), (225, 361100), (230, 353250), (250, 324990), (276, 294375), (300, 270825), (314, 258750), (345, 235500), (375, 216660), (414, 196250), (450, 180550), (460, 176625), (471, 172500), (500, 162495), (575, 141300), (625, 129996), (628, 129375), (690, 117750), (750, 108330), (785, 103500), (828, 98125), (900, 90275), (942, 86250), (1035, 78500), (1125, 72220), (1150, 70650), (1250, 64998), (1380, 58875), (1413, 57500), (1500, 54165), (1570, 51750), (1725, 47100), (1875, 43332), (1884, 43125), (2070, 39250), (2250, 36110), (2300, 35325), (2355, 34500), (2500, 32499), (2826, 28750), (2875, 28260), (3140, 25875), (3450, 23550), (3611, 22500), (3750, 21666), (3925, 20700), (4140, 19625), (4500, 18055), (4710, 17250), (5175, 15700), (5625, 14444), (5652, 14375), (5750, 14130), (6900, 11775), (7065, 11500), (7222, 11250), (7500, 10833), (7850, 10350), (8625, 9420)]