86983520

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:149

約数の個数: 192

約数和(自身を含む): 243855360

約数和(自身を除く): 156871840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 31, 32, 38, 40, 52, 62, 65, 71, 76, 80, 95, 104, 124, 130, 142, 152, 155, 160, 190, 208, 247, 248, 260, 284, 304, 310, 355, 380, 403, 416, 494, 496, 520, 568, 589, 608, 620, 710, 760, 806, 923, 988, 992, 1040, 1136, 1178, 1235, 1240, 1349, 1420, 1520, 1612, 1846, 1976, 2015, 2080, 2201, 2272, 2356, 2470, 2480, 2698, 2840, 2945, 3040, 3224, 3692, 3952, 4030, 4402, 4615, 4712, 4940, 4960, 5396, 5680, 5890, 6448, 6745, 7384, 7657, 7904, 8060, 8804, 9230, 9424, 9880, 10792, 11005, 11360, 11780, 12896, 13490, 14768, 15314, 16120, 17537, 17608, 18460, 18848, 19760, 21584, 22010, 23560, 26980, 28613, 29536, 30628, 32240, 35074, 35216, 36920, 38285, 39520, 41819, 43168, 44020, 47120, 53960, 57226, 61256, 64480, 70148, 70432, 73840, 76570, 83638, 87685, 88040, 94240, 107920, 114452, 122512, 140296, 143065, 147680, 153140, 167276, 175370, 176080, 209095, 215840, 228904, 245024, 280592, 286130, 306280, 334552, 350740, 352160, 418190, 457808, 543647, 561184, 572260, 612560, 669104, 701480, 836380, 915616, 1087294, 1144520, 1225120, 1338208, 1402960, 1672760, 2174588, 2289040, 2718235, 2805920, 3345520, 4349176, 4578080, 5436470, 6691040, 8698352, 10872940, 17396704, 21745880, 43491760, 86983520]

約数ペア:

[(1, 86983520), (2, 43491760), (4, 21745880), (5, 17396704), (8, 10872940), (10, 8698352), (13, 6691040), (16, 5436470), (19, 4578080), (20, 4349176), (26, 3345520), (31, 2805920), (32, 2718235), (38, 2289040), (40, 2174588), (52, 1672760), (62, 1402960), (65, 1338208), (71, 1225120), (76, 1144520), (80, 1087294), (95, 915616), (104, 836380), (124, 701480), (130, 669104), (142, 612560), (152, 572260), (155, 561184), (160, 543647), (190, 457808), (208, 418190), (247, 352160), (248, 350740), (260, 334552), (284, 306280), (304, 286130), (310, 280592), (355, 245024), (380, 228904), (403, 215840), (416, 209095), (494, 176080), (496, 175370), (520, 167276), (568, 153140), (589, 147680), (608, 143065), (620, 140296), (710, 122512), (760, 114452), (806, 107920), (923, 94240), (988, 88040), (992, 87685), (1040, 83638), (1136, 76570), (1178, 73840), (1235, 70432), (1240, 70148), (1349, 64480), (1420, 61256), (1520, 57226), (1612, 53960), (1846, 47120), (1976, 44020), (2015, 43168), (2080, 41819), (2201, 39520), (2272, 38285), (2356, 36920), (2470, 35216), (2480, 35074), (2698, 32240), (2840, 30628), (2945, 29536), (3040, 28613), (3224, 26980), (3692, 23560), (3952, 22010), (4030, 21584), (4402, 19760), (4615, 18848), (4712, 18460), (4940, 17608), (4960, 17537), (5396, 16120), (5680, 15314), (5890, 14768), (6448, 13490), (6745, 12896), (7384, 11780), (7657, 11360), (7904, 11005), (8060, 10792), (8804, 9880), (9230, 9424)]