7920720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1$

素因数の和:234

約数の個数: 160

約数和(自身を含む): 28867200

約数和(自身を除く): 20946480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 108, 114, 120, 135, 144, 152, 171, 180, 190, 193, 216, 228, 240, 270, 285, 304, 342, 360, 380, 386, 432, 456, 513, 540, 570, 579, 684, 720, 760, 772, 855, 912, 965, 1026, 1080, 1140, 1158, 1368, 1520, 1544, 1710, 1737, 1930, 2052, 2160, 2280, 2316, 2565, 2736, 2895, 3088, 3420, 3474, 3667, 3860, 4104, 4560, 4632, 5130, 5211, 5790, 6840, 6948, 7334, 7720, 8208, 8685, 9264, 10260, 10422, 11001, 11580, 13680, 13896, 14668, 15440, 17370, 18335, 20520, 20844, 22002, 23160, 26055, 27792, 29336, 33003, 34740, 36670, 41040, 41688, 44004, 46320, 52110, 55005, 58672, 66006, 69480, 73340, 83376, 88008, 99009, 104220, 110010, 132012, 138960, 146680, 165015, 176016, 198018, 208440, 220020, 264024, 293360, 330030, 396036, 416880, 440040, 495045, 528048, 660060, 792072, 880080, 990090, 1320120, 1584144, 1980180, 2640240, 3960360, 7920720]

約数ペア:

[(1, 7920720), (2, 3960360), (3, 2640240), (4, 1980180), (5, 1584144), (6, 1320120), (8, 990090), (9, 880080), (10, 792072), (12, 660060), (15, 528048), (16, 495045), (18, 440040), (19, 416880), (20, 396036), (24, 330030), (27, 293360), (30, 264024), (36, 220020), (38, 208440), (40, 198018), (45, 176016), (48, 165015), (54, 146680), (57, 138960), (60, 132012), (72, 110010), (76, 104220), (80, 99009), (90, 88008), (95, 83376), (108, 73340), (114, 69480), (120, 66006), (135, 58672), (144, 55005), (152, 52110), (171, 46320), (180, 44004), (190, 41688), (193, 41040), (216, 36670), (228, 34740), (240, 33003), (270, 29336), (285, 27792), (304, 26055), (342, 23160), (360, 22002), (380, 20844), (386, 20520), (432, 18335), (456, 17370), (513, 15440), (540, 14668), (570, 13896), (579, 13680), (684, 11580), (720, 11001), (760, 10422), (772, 10260), (855, 9264), (912, 8685), (965, 8208), (1026, 7720), (1080, 7334), (1140, 6948), (1158, 6840), (1368, 5790), (1520, 5211), (1544, 5130), (1710, 4632), (1737, 4560), (1930, 4104), (2052, 3860), (2160, 3667), (2280, 3474), (2316, 3420), (2565, 3088), (2736, 2895)]