40813920

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{4049}}^1$

素因数の和:4077

約数の個数: 144

約数和(自身を含む): 159213600

約数和(自身を除く): 118399680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 4049, 5040, 8098, 10080, 12147, 16196, 20245, 24294, 28343, 32392, 36441, 40490, 48588, 56686, 60735, 64784, 72882, 80980, 85029, 97176, 113372, 121470, 129568, 141715, 145764, 161960, 170058, 182205, 194352, 226744, 242940, 255087, 283430, 291528, 323920, 340116, 364410, 388704, 425145, 453488, 485880, 510174, 566860, 583056, 647840, 680232, 728820, 850290, 906976, 971760, 1020348, 1133720, 1166112, 1275435, 1360464, 1457640, 1700580, 1943520, 2040696, 2267440, 2550870, 2720928, 2915280, 3401160, 4081392, 4534880, 5101740, 5830560, 6802320, 8162784, 10203480, 13604640, 20406960, 40813920]

約数ペア:

[(1, 40813920), (2, 20406960), (3, 13604640), (4, 10203480), (5, 8162784), (6, 6802320), (7, 5830560), (8, 5101740), (9, 4534880), (10, 4081392), (12, 3401160), (14, 2915280), (15, 2720928), (16, 2550870), (18, 2267440), (20, 2040696), (21, 1943520), (24, 1700580), (28, 1457640), (30, 1360464), (32, 1275435), (35, 1166112), (36, 1133720), (40, 1020348), (42, 971760), (45, 906976), (48, 850290), (56, 728820), (60, 680232), (63, 647840), (70, 583056), (72, 566860), (80, 510174), (84, 485880), (90, 453488), (96, 425145), (105, 388704), (112, 364410), (120, 340116), (126, 323920), (140, 291528), (144, 283430), (160, 255087), (168, 242940), (180, 226744), (210, 194352), (224, 182205), (240, 170058), (252, 161960), (280, 145764), (288, 141715), (315, 129568), (336, 121470), (360, 113372), (420, 97176), (480, 85029), (504, 80980), (560, 72882), (630, 64784), (672, 60735), (720, 56686), (840, 48588), (1008, 40490), (1120, 36441), (1260, 32392), (1440, 28343), (1680, 24294), (2016, 20245), (2520, 16196), (3360, 12147), (4049, 10080), (5040, 8098)]