64920720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{619}}^1$

素因数の和:677

約数の個数: 160

約数和(自身を含む): 221414400

約数和(自身を除く): 156493680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 23, 24, 30, 38, 40, 46, 48, 57, 60, 69, 76, 80, 92, 95, 114, 115, 120, 138, 152, 184, 190, 228, 230, 240, 276, 285, 304, 345, 368, 380, 437, 456, 460, 552, 570, 619, 690, 760, 874, 912, 920, 1104, 1140, 1238, 1311, 1380, 1520, 1748, 1840, 1857, 2185, 2280, 2476, 2622, 2760, 3095, 3496, 3714, 4370, 4560, 4952, 5244, 5520, 6190, 6555, 6992, 7428, 8740, 9285, 9904, 10488, 11761, 12380, 13110, 14237, 14856, 17480, 18570, 20976, 23522, 24760, 26220, 28474, 29712, 34960, 35283, 37140, 42711, 47044, 49520, 52440, 56948, 58805, 70566, 71185, 74280, 85422, 94088, 104880, 113896, 117610, 141132, 142370, 148560, 170844, 176415, 188176, 213555, 227792, 235220, 270503, 282264, 284740, 341688, 352830, 427110, 470440, 541006, 564528, 569480, 683376, 705660, 811509, 854220, 940880, 1082012, 1138960, 1352515, 1411320, 1623018, 1708440, 2164024, 2705030, 2822640, 3246036, 3416880, 4057545, 4328048, 5410060, 6492072, 8115090, 10820120, 12984144, 16230180, 21640240, 32460360, 64920720]

約数ペア:

[(1, 64920720), (2, 32460360), (3, 21640240), (4, 16230180), (5, 12984144), (6, 10820120), (8, 8115090), (10, 6492072), (12, 5410060), (15, 4328048), (16, 4057545), (19, 3416880), (20, 3246036), (23, 2822640), (24, 2705030), (30, 2164024), (38, 1708440), (40, 1623018), (46, 1411320), (48, 1352515), (57, 1138960), (60, 1082012), (69, 940880), (76, 854220), (80, 811509), (92, 705660), (95, 683376), (114, 569480), (115, 564528), (120, 541006), (138, 470440), (152, 427110), (184, 352830), (190, 341688), (228, 284740), (230, 282264), (240, 270503), (276, 235220), (285, 227792), (304, 213555), (345, 188176), (368, 176415), (380, 170844), (437, 148560), (456, 142370), (460, 141132), (552, 117610), (570, 113896), (619, 104880), (690, 94088), (760, 85422), (874, 74280), (912, 71185), (920, 70566), (1104, 58805), (1140, 56948), (1238, 52440), (1311, 49520), (1380, 47044), (1520, 42711), (1748, 37140), (1840, 35283), (1857, 34960), (2185, 29712), (2280, 28474), (2476, 26220), (2622, 24760), (2760, 23522), (3095, 20976), (3496, 18570), (3714, 17480), (4370, 14856), (4560, 14237), (4952, 13110), (5244, 12380), (5520, 11761), (6190, 10488), (6555, 9904), (6992, 9285), (7428, 8740)]