83920720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:213

約数の個数: 160

約数和(自身を含む): 229985280

約数和(自身を除く): 146064560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 31, 38, 40, 52, 62, 65, 76, 80, 95, 104, 124, 130, 137, 152, 155, 190, 208, 247, 248, 260, 274, 304, 310, 380, 403, 494, 496, 520, 548, 589, 620, 685, 760, 806, 988, 1040, 1096, 1178, 1235, 1240, 1370, 1520, 1612, 1781, 1976, 2015, 2192, 2356, 2470, 2480, 2603, 2740, 2945, 3224, 3562, 3952, 4030, 4247, 4712, 4940, 5206, 5480, 5890, 6448, 7124, 7657, 8060, 8494, 8905, 9424, 9880, 10412, 10960, 11780, 13015, 14248, 15314, 16120, 16988, 17810, 19760, 20824, 21235, 23560, 26030, 28496, 30628, 32240, 33839, 33976, 35620, 38285, 41648, 42470, 47120, 52060, 55211, 61256, 67678, 67952, 71240, 76570, 80693, 84940, 104120, 110422, 122512, 135356, 142480, 153140, 161386, 169195, 169880, 208240, 220844, 270712, 276055, 306280, 322772, 338390, 339760, 403465, 441688, 541424, 552110, 612560, 645544, 676780, 806930, 883376, 1049009, 1104220, 1291088, 1353560, 1613860, 2098018, 2208440, 2707120, 3227720, 4196036, 4416880, 5245045, 6455440, 8392072, 10490090, 16784144, 20980180, 41960360, 83920720]

約数ペア:

[(1, 83920720), (2, 41960360), (4, 20980180), (5, 16784144), (8, 10490090), (10, 8392072), (13, 6455440), (16, 5245045), (19, 4416880), (20, 4196036), (26, 3227720), (31, 2707120), (38, 2208440), (40, 2098018), (52, 1613860), (62, 1353560), (65, 1291088), (76, 1104220), (80, 1049009), (95, 883376), (104, 806930), (124, 676780), (130, 645544), (137, 612560), (152, 552110), (155, 541424), (190, 441688), (208, 403465), (247, 339760), (248, 338390), (260, 322772), (274, 306280), (304, 276055), (310, 270712), (380, 220844), (403, 208240), (494, 169880), (496, 169195), (520, 161386), (548, 153140), (589, 142480), (620, 135356), (685, 122512), (760, 110422), (806, 104120), (988, 84940), (1040, 80693), (1096, 76570), (1178, 71240), (1235, 67952), (1240, 67678), (1370, 61256), (1520, 55211), (1612, 52060), (1781, 47120), (1976, 42470), (2015, 41648), (2192, 38285), (2356, 35620), (2470, 33976), (2480, 33839), (2603, 32240), (2740, 30628), (2945, 28496), (3224, 26030), (3562, 23560), (3952, 21235), (4030, 20824), (4247, 19760), (4712, 17810), (4940, 16988), (5206, 16120), (5480, 15314), (5890, 14248), (6448, 13015), (7124, 11780), (7657, 10960), (8060, 10412), (8494, 9880), (8905, 9424)]