68383980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:333

約数の個数: 192

約数和(自身を含む): 247296000

約数和(自身を除く): 178912020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 79, 84, 90, 105, 108, 126, 135, 140, 158, 180, 189, 210, 229, 237, 252, 270, 315, 316, 378, 395, 420, 458, 474, 540, 553, 630, 687, 711, 756, 790, 916, 945, 948, 1106, 1145, 1185, 1260, 1374, 1422, 1580, 1603, 1659, 1890, 2061, 2133, 2212, 2290, 2370, 2748, 2765, 2844, 3206, 3318, 3435, 3555, 3780, 4122, 4266, 4580, 4740, 4809, 4977, 5530, 6183, 6412, 6636, 6870, 7110, 8015, 8244, 8295, 8532, 9618, 9954, 10305, 10665, 11060, 12366, 13740, 14220, 14427, 14931, 16030, 16590, 18091, 19236, 19908, 20610, 21330, 24045, 24732, 24885, 28854, 29862, 30915, 32060, 33180, 36182, 41220, 42660, 43281, 48090, 49770, 54273, 57708, 59724, 61830, 72135, 72364, 74655, 86562, 90455, 96180, 99540, 108546, 123660, 126637, 144270, 149310, 162819, 173124, 180910, 216405, 217092, 253274, 271365, 288540, 298620, 325638, 361820, 379911, 432810, 488457, 506548, 542730, 633185, 651276, 759822, 814095, 865620, 976914, 1085460, 1139733, 1266370, 1519644, 1628190, 1899555, 1953828, 2279466, 2442285, 2532740, 3256380, 3419199, 3799110, 4558932, 4884570, 5698665, 6838398, 7598220, 9769140, 11397330, 13676796, 17095995, 22794660, 34191990, 68383980]

約数ペア:

[(1, 68383980), (2, 34191990), (3, 22794660), (4, 17095995), (5, 13676796), (6, 11397330), (7, 9769140), (9, 7598220), (10, 6838398), (12, 5698665), (14, 4884570), (15, 4558932), (18, 3799110), (20, 3419199), (21, 3256380), (27, 2532740), (28, 2442285), (30, 2279466), (35, 1953828), (36, 1899555), (42, 1628190), (45, 1519644), (54, 1266370), (60, 1139733), (63, 1085460), (70, 976914), (79, 865620), (84, 814095), (90, 759822), (105, 651276), (108, 633185), (126, 542730), (135, 506548), (140, 488457), (158, 432810), (180, 379911), (189, 361820), (210, 325638), (229, 298620), (237, 288540), (252, 271365), (270, 253274), (315, 217092), (316, 216405), (378, 180910), (395, 173124), (420, 162819), (458, 149310), (474, 144270), (540, 126637), (553, 123660), (630, 108546), (687, 99540), (711, 96180), (756, 90455), (790, 86562), (916, 74655), (945, 72364), (948, 72135), (1106, 61830), (1145, 59724), (1185, 57708), (1260, 54273), (1374, 49770), (1422, 48090), (1580, 43281), (1603, 42660), (1659, 41220), (1890, 36182), (2061, 33180), (2133, 32060), (2212, 30915), (2290, 29862), (2370, 28854), (2748, 24885), (2765, 24732), (2844, 24045), (3206, 21330), (3318, 20610), (3435, 19908), (3555, 19236), (3780, 18091), (4122, 16590), (4266, 16030), (4580, 14931), (4740, 14427), (4809, 14220), (4977, 13740), (5530, 12366), (6183, 11060), (6412, 10665), (6636, 10305), (6870, 9954), (7110, 9618), (8015, 8532), (8244, 8295)]