72359840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^2$

素因数の和:151

約数の個数: 144

約数和(自身を含む): 207785088

約数和(自身を除く): 135425248

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 53, 56, 70, 80, 92, 106, 112, 115, 140, 160, 161, 184, 212, 224, 230, 265, 280, 322, 368, 371, 424, 460, 530, 560, 644, 736, 742, 805, 848, 920, 1060, 1120, 1219, 1288, 1484, 1610, 1696, 1840, 1855, 2120, 2438, 2576, 2809, 2968, 3220, 3680, 3710, 4240, 4876, 5152, 5618, 5936, 6095, 6440, 7420, 8480, 8533, 9752, 11236, 11872, 12190, 12880, 14045, 14840, 17066, 19504, 19663, 22472, 24380, 25760, 28090, 29680, 34132, 39008, 39326, 42665, 44944, 48760, 56180, 59360, 64607, 68264, 78652, 85330, 89888, 97520, 98315, 112360, 129214, 136528, 157304, 170660, 195040, 196630, 224720, 258428, 273056, 314608, 323035, 341320, 393260, 449440, 452249, 516856, 629216, 646070, 682640, 786520, 904498, 1033712, 1292140, 1365280, 1573040, 1808996, 2067424, 2261245, 2584280, 3146080, 3617992, 4522490, 5168560, 7235984, 9044980, 10337120, 14471968, 18089960, 36179920, 72359840]

約数ペア:

[(1, 72359840), (2, 36179920), (4, 18089960), (5, 14471968), (7, 10337120), (8, 9044980), (10, 7235984), (14, 5168560), (16, 4522490), (20, 3617992), (23, 3146080), (28, 2584280), (32, 2261245), (35, 2067424), (40, 1808996), (46, 1573040), (53, 1365280), (56, 1292140), (70, 1033712), (80, 904498), (92, 786520), (106, 682640), (112, 646070), (115, 629216), (140, 516856), (160, 452249), (161, 449440), (184, 393260), (212, 341320), (224, 323035), (230, 314608), (265, 273056), (280, 258428), (322, 224720), (368, 196630), (371, 195040), (424, 170660), (460, 157304), (530, 136528), (560, 129214), (644, 112360), (736, 98315), (742, 97520), (805, 89888), (848, 85330), (920, 78652), (1060, 68264), (1120, 64607), (1219, 59360), (1288, 56180), (1484, 48760), (1610, 44944), (1696, 42665), (1840, 39326), (1855, 39008), (2120, 34132), (2438, 29680), (2576, 28090), (2809, 25760), (2968, 24380), (3220, 22472), (3680, 19663), (3710, 19504), (4240, 17066), (4876, 14840), (5152, 14045), (5618, 12880), (5936, 12190), (6095, 11872), (6440, 11236), (7420, 9752), (8480, 8533)]