30311680

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:244

約数の個数: 144

約数和(自身を含む): 88300800

約数和(自身を除く): 57989120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 128, 136, 140, 160, 170, 199, 224, 238, 256, 272, 280, 320, 340, 398, 448, 476, 544, 560, 595, 640, 680, 796, 896, 952, 995, 1088, 1120, 1190, 1280, 1360, 1393, 1592, 1792, 1904, 1990, 2176, 2240, 2380, 2720, 2786, 3184, 3383, 3808, 3980, 4352, 4480, 4760, 5440, 5572, 6368, 6766, 6965, 7616, 7960, 8960, 9520, 10880, 11144, 12736, 13532, 13930, 15232, 15920, 16915, 19040, 21760, 22288, 23681, 25472, 27064, 27860, 30464, 31840, 33830, 38080, 44576, 47362, 50944, 54128, 55720, 63680, 67660, 76160, 89152, 94724, 108256, 111440, 118405, 127360, 135320, 152320, 178304, 189448, 216512, 222880, 236810, 254720, 270640, 356608, 378896, 433024, 445760, 473620, 541280, 757792, 866048, 891520, 947240, 1082560, 1515584, 1783040, 1894480, 2165120, 3031168, 3788960, 4330240, 6062336, 7577920, 15155840, 30311680]

約数ペア:

[(1, 30311680), (2, 15155840), (4, 7577920), (5, 6062336), (7, 4330240), (8, 3788960), (10, 3031168), (14, 2165120), (16, 1894480), (17, 1783040), (20, 1515584), (28, 1082560), (32, 947240), (34, 891520), (35, 866048), (40, 757792), (56, 541280), (64, 473620), (68, 445760), (70, 433024), (80, 378896), (85, 356608), (112, 270640), (119, 254720), (128, 236810), (136, 222880), (140, 216512), (160, 189448), (170, 178304), (199, 152320), (224, 135320), (238, 127360), (256, 118405), (272, 111440), (280, 108256), (320, 94724), (340, 89152), (398, 76160), (448, 67660), (476, 63680), (544, 55720), (560, 54128), (595, 50944), (640, 47362), (680, 44576), (796, 38080), (896, 33830), (952, 31840), (995, 30464), (1088, 27860), (1120, 27064), (1190, 25472), (1280, 23681), (1360, 22288), (1393, 21760), (1592, 19040), (1792, 16915), (1904, 15920), (1990, 15232), (2176, 13930), (2240, 13532), (2380, 12736), (2720, 11144), (2786, 10880), (3184, 9520), (3383, 8960), (3808, 7960), (3980, 7616), (4352, 6965), (4480, 6766), (4760, 6368), (5440, 5572)]