389548440

素因数分解:

$2^3\times 3^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:166

約数の個数: 256

約数和(自身を含む): 1354377600

約数和(自身を除く): 964829160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 61, 72, 73, 81, 90, 108, 120, 122, 135, 146, 162, 180, 183, 216, 219, 243, 244, 270, 292, 305, 324, 360, 365, 366, 405, 438, 486, 488, 540, 549, 584, 610, 648, 657, 729, 730, 732, 810, 876, 915, 972, 1080, 1095, 1098, 1215, 1220, 1314, 1458, 1460, 1464, 1620, 1647, 1752, 1830, 1944, 1971, 2187, 2190, 2196, 2430, 2440, 2628, 2745, 2916, 2920, 3240, 3285, 3294, 3645, 3660, 3942, 4374, 4380, 4392, 4453, 4860, 4941, 5256, 5490, 5832, 5913, 6570, 6588, 7290, 7320, 7884, 8235, 8748, 8760, 8906, 9720, 9855, 9882, 10935, 10980, 11826, 13140, 13176, 13359, 14580, 14823, 15768, 16470, 17496, 17739, 17812, 19710, 19764, 21870, 21960, 22265, 23652, 24705, 26280, 26718, 29160, 29565, 29646, 32940, 35478, 35624, 39420, 39528, 40077, 43740, 44469, 44530, 47304, 49410, 53217, 53436, 59130, 59292, 65880, 66795, 70956, 74115, 78840, 80154, 87480, 88695, 88938, 89060, 98820, 106434, 106872, 118260, 118584, 120231, 133407, 133590, 141912, 148230, 159651, 160308, 177390, 177876, 178120, 197640, 200385, 212868, 222345, 236520, 240462, 266085, 266814, 267180, 296460, 319302, 320616, 354780, 355752, 360693, 400770, 425736, 444690, 480924, 532170, 533628, 534360, 592920, 601155, 638604, 667035, 709560, 721386, 798255, 801540, 889380, 961848, 1064340, 1067256, 1082079, 1202310, 1277208, 1334070, 1442772, 1596510, 1603080, 1778760, 1803465, 2128680, 2164158, 2404620, 2668140, 2885544, 3193020, 3246237, 3606930, 4328316, 4809240, 5336280, 5410395, 6386040, 6492474, 7213860, 8656632, 9738711, 10820790, 12984948, 14427720, 16231185, 19477422, 21641580, 25969896, 32462370, 38954844, 43283160, 48693555, 64924740, 77909688, 97387110, 129849480, 194774220, 389548440]

約数ペア:

[(1, 389548440), (2, 194774220), (3, 129849480), (4, 97387110), (5, 77909688), (6, 64924740), (8, 48693555), (9, 43283160), (10, 38954844), (12, 32462370), (15, 25969896), (18, 21641580), (20, 19477422), (24, 16231185), (27, 14427720), (30, 12984948), (36, 10820790), (40, 9738711), (45, 8656632), (54, 7213860), (60, 6492474), (61, 6386040), (72, 5410395), (73, 5336280), (81, 4809240), (90, 4328316), (108, 3606930), (120, 3246237), (122, 3193020), (135, 2885544), (146, 2668140), (162, 2404620), (180, 2164158), (183, 2128680), (216, 1803465), (219, 1778760), (243, 1603080), (244, 1596510), (270, 1442772), (292, 1334070), (305, 1277208), (324, 1202310), (360, 1082079), (365, 1067256), (366, 1064340), (405, 961848), (438, 889380), (486, 801540), (488, 798255), (540, 721386), (549, 709560), (584, 667035), (610, 638604), (648, 601155), (657, 592920), (729, 534360), (730, 533628), (732, 532170), (810, 480924), (876, 444690), (915, 425736), (972, 400770), (1080, 360693), (1095, 355752), (1098, 354780), (1215, 320616), (1220, 319302), (1314, 296460), (1458, 267180), (1460, 266814), (1464, 266085), (1620, 240462), (1647, 236520), (1752, 222345), (1830, 212868), (1944, 200385), (1971, 197640), (2187, 178120), (2190, 177876), (2196, 177390), (2430, 160308), (2440, 159651), (2628, 148230), (2745, 141912), (2916, 133590), (2920, 133407), (3240, 120231), (3285, 118584), (3294, 118260), (3645, 106872), (3660, 106434), (3942, 98820), (4374, 89060), (4380, 88938), (4392, 88695), (4453, 87480), (4860, 80154), (4941, 78840), (5256, 74115), (5490, 70956), (5832, 66795), (5913, 65880), (6570, 59292), (6588, 59130), (7290, 53436), (7320, 53217), (7884, 49410), (8235, 47304), (8748, 44530), (8760, 44469), (8906, 43740), (9720, 40077), (9855, 39528), (9882, 39420), (10935, 35624), (10980, 35478), (11826, 32940), (13140, 29646), (13176, 29565), (13359, 29160), (14580, 26718), (14823, 26280), (15768, 24705), (16470, 23652), (17496, 22265), (17739, 21960), (17812, 21870), (19710, 19764)]