1781068240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{3067}}^1$

素因数の和:3165

約数の個数: 160

約数和(自身を含む): 5094745344

約数和(自身を除く): 3313677104

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 61, 68, 70, 80, 85, 112, 119, 122, 136, 140, 170, 238, 244, 272, 280, 305, 340, 427, 476, 488, 560, 595, 610, 680, 854, 952, 976, 1037, 1190, 1220, 1360, 1708, 1904, 2074, 2135, 2380, 2440, 3067, 3416, 4148, 4270, 4760, 4880, 5185, 6134, 6832, 7259, 8296, 8540, 9520, 10370, 12268, 14518, 15335, 16592, 17080, 20740, 21469, 24536, 29036, 30670, 34160, 36295, 41480, 42938, 49072, 52139, 58072, 61340, 72590, 82960, 85876, 104278, 107345, 116144, 122680, 145180, 171752, 187087, 208556, 214690, 245360, 260695, 290360, 343504, 364973, 374174, 417112, 429380, 521390, 580720, 729946, 748348, 834224, 858760, 935435, 1042780, 1309609, 1459892, 1496696, 1717520, 1824865, 1870870, 2085560, 2619218, 2919784, 2993392, 3180479, 3649730, 3741740, 4171120, 5238436, 5839568, 6360958, 6548045, 7299460, 7483480, 10476872, 12721916, 13096090, 14598920, 14966960, 15902395, 20953744, 22263353, 25443832, 26192180, 29197840, 31804790, 44526706, 50887664, 52384360, 63609580, 89053412, 104768720, 111316765, 127219160, 178106824, 222633530, 254438320, 356213648, 445267060, 890534120, 1781068240]

約数ペア:

[(1, 1781068240), (2, 890534120), (4, 445267060), (5, 356213648), (7, 254438320), (8, 222633530), (10, 178106824), (14, 127219160), (16, 111316765), (17, 104768720), (20, 89053412), (28, 63609580), (34, 52384360), (35, 50887664), (40, 44526706), (56, 31804790), (61, 29197840), (68, 26192180), (70, 25443832), (80, 22263353), (85, 20953744), (112, 15902395), (119, 14966960), (122, 14598920), (136, 13096090), (140, 12721916), (170, 10476872), (238, 7483480), (244, 7299460), (272, 6548045), (280, 6360958), (305, 5839568), (340, 5238436), (427, 4171120), (476, 3741740), (488, 3649730), (560, 3180479), (595, 2993392), (610, 2919784), (680, 2619218), (854, 2085560), (952, 1870870), (976, 1824865), (1037, 1717520), (1190, 1496696), (1220, 1459892), (1360, 1309609), (1708, 1042780), (1904, 935435), (2074, 858760), (2135, 834224), (2380, 748348), (2440, 729946), (3067, 580720), (3416, 521390), (4148, 429380), (4270, 417112), (4760, 374174), (4880, 364973), (5185, 343504), (6134, 290360), (6832, 260695), (7259, 245360), (8296, 214690), (8540, 208556), (9520, 187087), (10370, 171752), (12268, 145180), (14518, 122680), (15335, 116144), (16592, 107345), (17080, 104278), (20740, 85876), (21469, 82960), (24536, 72590), (29036, 61340), (30670, 58072), (34160, 52139), (36295, 49072), (41480, 42938)]