400412520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1307}}^1$

素因数の和:1384

約数の個数: 192

約数和(自身を含む): 1395688320

約数和(自身を除く): 995275800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 37, 40, 45, 46, 60, 69, 72, 74, 90, 92, 111, 115, 120, 138, 148, 180, 184, 185, 207, 222, 230, 276, 296, 333, 345, 360, 370, 414, 444, 460, 552, 555, 666, 690, 740, 828, 851, 888, 920, 1035, 1110, 1307, 1332, 1380, 1480, 1656, 1665, 1702, 2070, 2220, 2553, 2614, 2664, 2760, 3330, 3404, 3921, 4140, 4255, 4440, 5106, 5228, 6535, 6660, 6808, 7659, 7842, 8280, 8510, 10212, 10456, 11763, 12765, 13070, 13320, 15318, 15684, 17020, 19605, 20424, 23526, 25530, 26140, 30061, 30636, 31368, 34040, 38295, 39210, 47052, 48359, 51060, 52280, 58815, 60122, 61272, 76590, 78420, 90183, 94104, 96718, 102120, 117630, 120244, 145077, 150305, 153180, 156840, 180366, 193436, 235260, 240488, 241795, 270549, 290154, 300610, 306360, 360732, 386872, 435231, 450915, 470520, 483590, 541098, 580308, 601220, 721464, 725385, 870462, 901830, 967180, 1082196, 1112257, 1160616, 1202440, 1352745, 1450770, 1740924, 1803660, 1934360, 2164392, 2176155, 2224514, 2705490, 2901540, 3336771, 3481848, 3607320, 4352310, 4449028, 5410980, 5561285, 5803080, 6673542, 8704620, 8898056, 10010313, 10821960, 11122570, 13347084, 16683855, 17409240, 20020626, 22245140, 26694168, 33367710, 40041252, 44490280, 50051565, 66735420, 80082504, 100103130, 133470840, 200206260, 400412520]

約数ペア:

[(1, 400412520), (2, 200206260), (3, 133470840), (4, 100103130), (5, 80082504), (6, 66735420), (8, 50051565), (9, 44490280), (10, 40041252), (12, 33367710), (15, 26694168), (18, 22245140), (20, 20020626), (23, 17409240), (24, 16683855), (30, 13347084), (36, 11122570), (37, 10821960), (40, 10010313), (45, 8898056), (46, 8704620), (60, 6673542), (69, 5803080), (72, 5561285), (74, 5410980), (90, 4449028), (92, 4352310), (111, 3607320), (115, 3481848), (120, 3336771), (138, 2901540), (148, 2705490), (180, 2224514), (184, 2176155), (185, 2164392), (207, 1934360), (222, 1803660), (230, 1740924), (276, 1450770), (296, 1352745), (333, 1202440), (345, 1160616), (360, 1112257), (370, 1082196), (414, 967180), (444, 901830), (460, 870462), (552, 725385), (555, 721464), (666, 601220), (690, 580308), (740, 541098), (828, 483590), (851, 470520), (888, 450915), (920, 435231), (1035, 386872), (1110, 360732), (1307, 306360), (1332, 300610), (1380, 290154), (1480, 270549), (1656, 241795), (1665, 240488), (1702, 235260), (2070, 193436), (2220, 180366), (2553, 156840), (2614, 153180), (2664, 150305), (2760, 145077), (3330, 120244), (3404, 117630), (3921, 102120), (4140, 96718), (4255, 94104), (4440, 90183), (5106, 78420), (5228, 76590), (6535, 61272), (6660, 60122), (6808, 58815), (7659, 52280), (7842, 51060), (8280, 48359), (8510, 47052), (10212, 39210), (10456, 38295), (11763, 34040), (12765, 31368), (13070, 30636), (13320, 30061), (15318, 26140), (15684, 25530), (17020, 23526), (19605, 20424)]