64944880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{811}}^1$

素因数の和:855

約数の個数: 160

約数和(自身を含む): 202987008

約数和(自身を除く): 138042128

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 80, 88, 91, 104, 110, 112, 130, 140, 143, 154, 176, 182, 208, 220, 260, 280, 286, 308, 364, 385, 440, 455, 520, 560, 572, 616, 715, 728, 770, 811, 880, 910, 1001, 1040, 1144, 1232, 1430, 1456, 1540, 1622, 1820, 2002, 2288, 2860, 3080, 3244, 3640, 4004, 4055, 5005, 5677, 5720, 6160, 6488, 7280, 8008, 8110, 8921, 10010, 10543, 11354, 11440, 12976, 16016, 16220, 17842, 20020, 21086, 22708, 28385, 32440, 35684, 40040, 42172, 44605, 45416, 52715, 56770, 62447, 64880, 71368, 73801, 80080, 84344, 89210, 90832, 105430, 113540, 115973, 124894, 142736, 147602, 168688, 178420, 210860, 227080, 231946, 249788, 295204, 312235, 356840, 369005, 421720, 454160, 463892, 499576, 579865, 590408, 624470, 713680, 738010, 811811, 843440, 927784, 999152, 1159730, 1180816, 1248940, 1476020, 1623622, 1855568, 2319460, 2497880, 2952040, 3247244, 4059055, 4638920, 4995760, 5904080, 6494488, 8118110, 9277840, 12988976, 16236220, 32472440, 64944880]

約数ペア:

[(1, 64944880), (2, 32472440), (4, 16236220), (5, 12988976), (7, 9277840), (8, 8118110), (10, 6494488), (11, 5904080), (13, 4995760), (14, 4638920), (16, 4059055), (20, 3247244), (22, 2952040), (26, 2497880), (28, 2319460), (35, 1855568), (40, 1623622), (44, 1476020), (52, 1248940), (55, 1180816), (56, 1159730), (65, 999152), (70, 927784), (77, 843440), (80, 811811), (88, 738010), (91, 713680), (104, 624470), (110, 590408), (112, 579865), (130, 499576), (140, 463892), (143, 454160), (154, 421720), (176, 369005), (182, 356840), (208, 312235), (220, 295204), (260, 249788), (280, 231946), (286, 227080), (308, 210860), (364, 178420), (385, 168688), (440, 147602), (455, 142736), (520, 124894), (560, 115973), (572, 113540), (616, 105430), (715, 90832), (728, 89210), (770, 84344), (811, 80080), (880, 73801), (910, 71368), (1001, 64880), (1040, 62447), (1144, 56770), (1232, 52715), (1430, 45416), (1456, 44605), (1540, 42172), (1622, 40040), (1820, 35684), (2002, 32440), (2288, 28385), (2860, 22708), (3080, 21086), (3244, 20020), (3640, 17842), (4004, 16220), (4055, 16016), (5005, 12976), (5677, 11440), (5720, 11354), (6160, 10543), (6488, 10010), (7280, 8921), (8008, 8110)]