1237221540

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{20641}}^1$

素因数の和:20699

約数の個数: 120

約数和(自身を含む): 3986300472

約数和(自身を除く): 2749078932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 81, 90, 108, 111, 135, 148, 162, 180, 185, 222, 270, 324, 333, 370, 405, 444, 540, 555, 666, 740, 810, 999, 1110, 1332, 1620, 1665, 1998, 2220, 2997, 3330, 3996, 4995, 5994, 6660, 9990, 11988, 14985, 19980, 20641, 29970, 41282, 59940, 61923, 82564, 103205, 123846, 185769, 206410, 247692, 309615, 371538, 412820, 557307, 619230, 743076, 763717, 928845, 1114614, 1238460, 1527434, 1671921, 1857690, 2229228, 2291151, 2786535, 3054868, 3343842, 3715380, 3818585, 4582302, 5573070, 6687684, 6873453, 7637170, 8359605, 9164604, 11146140, 11455755, 13746906, 15274340, 16719210, 20620359, 22911510, 27493812, 33438420, 34367265, 41240718, 45823020, 61861077, 68734530, 82481436, 103101795, 123722154, 137469060, 206203590, 247444308, 309305385, 412407180, 618610770, 1237221540]

約数ペア:

[(1, 1237221540), (2, 618610770), (3, 412407180), (4, 309305385), (5, 247444308), (6, 206203590), (9, 137469060), (10, 123722154), (12, 103101795), (15, 82481436), (18, 68734530), (20, 61861077), (27, 45823020), (30, 41240718), (36, 34367265), (37, 33438420), (45, 27493812), (54, 22911510), (60, 20620359), (74, 16719210), (81, 15274340), (90, 13746906), (108, 11455755), (111, 11146140), (135, 9164604), (148, 8359605), (162, 7637170), (180, 6873453), (185, 6687684), (222, 5573070), (270, 4582302), (324, 3818585), (333, 3715380), (370, 3343842), (405, 3054868), (444, 2786535), (540, 2291151), (555, 2229228), (666, 1857690), (740, 1671921), (810, 1527434), (999, 1238460), (1110, 1114614), (1332, 928845), (1620, 763717), (1665, 743076), (1998, 619230), (2220, 557307), (2997, 412820), (3330, 371538), (3996, 309615), (4995, 247692), (5994, 206410), (6660, 185769), (9990, 123846), (11988, 103205), (14985, 82564), (19980, 61923), (20641, 59940), (29970, 41282)]