71729550

素因数分解:

$2^1\times 3^4\times 5^2\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:312

約数の個数: 120

約数和(自身を含む): 202554000

約数和(自身を除く): 130824450

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 81, 89, 90, 135, 150, 162, 178, 199, 225, 267, 270, 398, 405, 445, 450, 534, 597, 675, 801, 810, 890, 995, 1194, 1335, 1350, 1602, 1791, 1990, 2025, 2225, 2403, 2670, 2985, 3582, 4005, 4050, 4450, 4806, 4975, 5373, 5970, 6675, 7209, 8010, 8955, 9950, 10746, 12015, 13350, 14418, 14925, 16119, 17711, 17910, 20025, 24030, 26865, 29850, 32238, 35422, 36045, 40050, 44775, 53133, 53730, 60075, 72090, 80595, 88555, 89550, 106266, 120150, 134325, 159399, 161190, 177110, 180225, 265665, 268650, 318798, 360450, 402975, 442775, 478197, 531330, 796995, 805950, 885550, 956394, 1328325, 1434591, 1593990, 2390985, 2656650, 2869182, 3984975, 4781970, 7172955, 7969950, 11954925, 14345910, 23909850, 35864775, 71729550]

約数ペア:

[(1, 71729550), (2, 35864775), (3, 23909850), (5, 14345910), (6, 11954925), (9, 7969950), (10, 7172955), (15, 4781970), (18, 3984975), (25, 2869182), (27, 2656650), (30, 2390985), (45, 1593990), (50, 1434591), (54, 1328325), (75, 956394), (81, 885550), (89, 805950), (90, 796995), (135, 531330), (150, 478197), (162, 442775), (178, 402975), (199, 360450), (225, 318798), (267, 268650), (270, 265665), (398, 180225), (405, 177110), (445, 161190), (450, 159399), (534, 134325), (597, 120150), (675, 106266), (801, 89550), (810, 88555), (890, 80595), (995, 72090), (1194, 60075), (1335, 53730), (1350, 53133), (1602, 44775), (1791, 40050), (1990, 36045), (2025, 35422), (2225, 32238), (2403, 29850), (2670, 26865), (2985, 24030), (3582, 20025), (4005, 17910), (4050, 17711), (4450, 16119), (4806, 14925), (4975, 14418), (5373, 13350), (5970, 12015), (6675, 10746), (7209, 9950), (8010, 8955)]