78714540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:328

約数の個数: 144

約数和(自身を含む): 250967808

約数和(自身を除く): 172253268

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 53, 60, 74, 90, 106, 111, 148, 159, 180, 185, 212, 222, 223, 265, 318, 333, 370, 444, 446, 477, 530, 555, 636, 666, 669, 740, 795, 892, 954, 1060, 1110, 1115, 1332, 1338, 1590, 1665, 1908, 1961, 2007, 2220, 2230, 2385, 2676, 3180, 3330, 3345, 3922, 4014, 4460, 4770, 5883, 6660, 6690, 7844, 8028, 8251, 9540, 9805, 10035, 11766, 11819, 13380, 16502, 17649, 19610, 20070, 23532, 23638, 24753, 29415, 33004, 35298, 35457, 39220, 40140, 41255, 47276, 49506, 58830, 59095, 70596, 70914, 74259, 82510, 88245, 99012, 106371, 117660, 118190, 123765, 141828, 148518, 165020, 176490, 177285, 212742, 236380, 247530, 297036, 352980, 354570, 371295, 425484, 437303, 495060, 531855, 709140, 742590, 874606, 1063710, 1311909, 1485180, 1749212, 2127420, 2186515, 2623818, 3935727, 4373030, 5247636, 6559545, 7871454, 8746060, 13119090, 15742908, 19678635, 26238180, 39357270, 78714540]

約数ペア:

[(1, 78714540), (2, 39357270), (3, 26238180), (4, 19678635), (5, 15742908), (6, 13119090), (9, 8746060), (10, 7871454), (12, 6559545), (15, 5247636), (18, 4373030), (20, 3935727), (30, 2623818), (36, 2186515), (37, 2127420), (45, 1749212), (53, 1485180), (60, 1311909), (74, 1063710), (90, 874606), (106, 742590), (111, 709140), (148, 531855), (159, 495060), (180, 437303), (185, 425484), (212, 371295), (222, 354570), (223, 352980), (265, 297036), (318, 247530), (333, 236380), (370, 212742), (444, 177285), (446, 176490), (477, 165020), (530, 148518), (555, 141828), (636, 123765), (666, 118190), (669, 117660), (740, 106371), (795, 99012), (892, 88245), (954, 82510), (1060, 74259), (1110, 70914), (1115, 70596), (1332, 59095), (1338, 58830), (1590, 49506), (1665, 47276), (1908, 41255), (1961, 40140), (2007, 39220), (2220, 35457), (2230, 35298), (2385, 33004), (2676, 29415), (3180, 24753), (3330, 23638), (3345, 23532), (3922, 20070), (4014, 19610), (4460, 17649), (4770, 16502), (5883, 13380), (6660, 11819), (6690, 11766), (7844, 10035), (8028, 9805), (8251, 9540)]