154388560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1861}}^1$

素因数の和:1952

約数の個数: 80

約数和(自身を含む): 386506512

約数和(自身を除く): 232117952

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 61, 68, 80, 85, 122, 136, 170, 244, 272, 305, 340, 488, 610, 680, 976, 1037, 1220, 1360, 1861, 2074, 2440, 3722, 4148, 4880, 5185, 7444, 8296, 9305, 10370, 14888, 16592, 18610, 20740, 29776, 31637, 37220, 41480, 63274, 74440, 82960, 113521, 126548, 148880, 158185, 227042, 253096, 316370, 454084, 506192, 567605, 632740, 908168, 1135210, 1265480, 1816336, 1929857, 2270420, 2530960, 3859714, 4540840, 7719428, 9081680, 9649285, 15438856, 19298570, 30877712, 38597140, 77194280, 154388560]

約数ペア:

[(1, 154388560), (2, 77194280), (4, 38597140), (5, 30877712), (8, 19298570), (10, 15438856), (16, 9649285), (17, 9081680), (20, 7719428), (34, 4540840), (40, 3859714), (61, 2530960), (68, 2270420), (80, 1929857), (85, 1816336), (122, 1265480), (136, 1135210), (170, 908168), (244, 632740), (272, 567605), (305, 506192), (340, 454084), (488, 316370), (610, 253096), (680, 227042), (976, 158185), (1037, 148880), (1220, 126548), (1360, 113521), (1861, 82960), (2074, 74440), (2440, 63274), (3722, 41480), (4148, 37220), (4880, 31637), (5185, 29776), (7444, 20740), (8296, 18610), (9305, 16592), (10370, 14888)]