1021036720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^3\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:312

約数の個数: 160

約数和(自身を含む): 2683828224

約数和(自身を除く): 1662791504

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 80, 86, 88, 110, 121, 172, 176, 215, 220, 223, 242, 344, 430, 440, 446, 473, 484, 605, 688, 860, 880, 892, 946, 968, 1115, 1210, 1331, 1720, 1784, 1892, 1936, 2230, 2365, 2420, 2453, 2662, 3440, 3568, 3784, 4460, 4730, 4840, 4906, 5203, 5324, 6655, 7568, 8920, 9460, 9589, 9680, 9812, 10406, 10648, 12265, 13310, 17840, 18920, 19178, 19624, 20812, 21296, 24530, 26015, 26620, 26983, 37840, 38356, 39248, 41624, 47945, 49060, 52030, 53240, 53966, 57233, 76712, 83248, 95890, 98120, 104060, 105479, 106480, 107932, 114466, 134915, 153424, 191780, 196240, 208120, 210958, 215864, 228932, 269830, 286165, 296813, 383560, 416240, 421916, 431728, 457864, 527395, 539660, 572330, 593626, 767120, 843832, 915728, 1054790, 1079320, 1144660, 1160269, 1187252, 1484065, 1687664, 2109580, 2158640, 2289320, 2320538, 2374504, 2968130, 4219160, 4578640, 4641076, 4749008, 5801345, 5936260, 8438320, 9282152, 11602690, 11872520, 12762959, 18564304, 23205380, 23745040, 25525918, 46410760, 51051836, 63814795, 92821520, 102103672, 127629590, 204207344, 255259180, 510518360, 1021036720]

約数ペア:

[(1, 1021036720), (2, 510518360), (4, 255259180), (5, 204207344), (8, 127629590), (10, 102103672), (11, 92821520), (16, 63814795), (20, 51051836), (22, 46410760), (40, 25525918), (43, 23745040), (44, 23205380), (55, 18564304), (80, 12762959), (86, 11872520), (88, 11602690), (110, 9282152), (121, 8438320), (172, 5936260), (176, 5801345), (215, 4749008), (220, 4641076), (223, 4578640), (242, 4219160), (344, 2968130), (430, 2374504), (440, 2320538), (446, 2289320), (473, 2158640), (484, 2109580), (605, 1687664), (688, 1484065), (860, 1187252), (880, 1160269), (892, 1144660), (946, 1079320), (968, 1054790), (1115, 915728), (1210, 843832), (1331, 767120), (1720, 593626), (1784, 572330), (1892, 539660), (1936, 527395), (2230, 457864), (2365, 431728), (2420, 421916), (2453, 416240), (2662, 383560), (3440, 296813), (3568, 286165), (3784, 269830), (4460, 228932), (4730, 215864), (4840, 210958), (4906, 208120), (5203, 196240), (5324, 191780), (6655, 153424), (7568, 134915), (8920, 114466), (9460, 107932), (9589, 106480), (9680, 105479), (9812, 104060), (10406, 98120), (10648, 95890), (12265, 83248), (13310, 76712), (17840, 57233), (18920, 53966), (19178, 53240), (19624, 52030), (20812, 49060), (21296, 47945), (24530, 41624), (26015, 39248), (26620, 38356), (26983, 37840)]