85440720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{457}}^1$

素因数の和:533

約数の個数: 160

約数和(自身を含む): 286231680

約数和(自身を除く): 200790960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 41, 48, 57, 60, 76, 80, 82, 95, 114, 120, 123, 152, 164, 190, 205, 228, 240, 246, 285, 304, 328, 380, 410, 456, 457, 492, 570, 615, 656, 760, 779, 820, 912, 914, 984, 1140, 1230, 1371, 1520, 1558, 1640, 1828, 1968, 2280, 2285, 2337, 2460, 2742, 3116, 3280, 3656, 3895, 4560, 4570, 4674, 4920, 5484, 6232, 6855, 7312, 7790, 8683, 9140, 9348, 9840, 10968, 11685, 12464, 13710, 15580, 17366, 18280, 18696, 18737, 21936, 23370, 26049, 27420, 31160, 34732, 36560, 37392, 37474, 43415, 46740, 52098, 54840, 56211, 62320, 69464, 74948, 86830, 93480, 93685, 104196, 109680, 112422, 130245, 138928, 149896, 173660, 186960, 187370, 208392, 224844, 260490, 281055, 299792, 347320, 356003, 374740, 416784, 449688, 520980, 562110, 694640, 712006, 749480, 899376, 1041960, 1068009, 1124220, 1424012, 1498960, 1780015, 2083920, 2136018, 2248440, 2848024, 3560030, 4272036, 4496880, 5340045, 5696048, 7120060, 8544072, 10680090, 14240120, 17088144, 21360180, 28480240, 42720360, 85440720]

約数ペア:

[(1, 85440720), (2, 42720360), (3, 28480240), (4, 21360180), (5, 17088144), (6, 14240120), (8, 10680090), (10, 8544072), (12, 7120060), (15, 5696048), (16, 5340045), (19, 4496880), (20, 4272036), (24, 3560030), (30, 2848024), (38, 2248440), (40, 2136018), (41, 2083920), (48, 1780015), (57, 1498960), (60, 1424012), (76, 1124220), (80, 1068009), (82, 1041960), (95, 899376), (114, 749480), (120, 712006), (123, 694640), (152, 562110), (164, 520980), (190, 449688), (205, 416784), (228, 374740), (240, 356003), (246, 347320), (285, 299792), (304, 281055), (328, 260490), (380, 224844), (410, 208392), (456, 187370), (457, 186960), (492, 173660), (570, 149896), (615, 138928), (656, 130245), (760, 112422), (779, 109680), (820, 104196), (912, 93685), (914, 93480), (984, 86830), (1140, 74948), (1230, 69464), (1371, 62320), (1520, 56211), (1558, 54840), (1640, 52098), (1828, 46740), (1968, 43415), (2280, 37474), (2285, 37392), (2337, 36560), (2460, 34732), (2742, 31160), (3116, 27420), (3280, 26049), (3656, 23370), (3895, 21936), (4560, 18737), (4570, 18696), (4674, 18280), (4920, 17366), (5484, 15580), (6232, 13710), (6855, 12464), (7312, 11685), (7790, 10968), (8683, 9840), (9140, 9348)]