679853440

素因数分解:

$2^7\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{163}}^1$

素因数の和:222

約数の個数: 256

約数和(自身を含む): 2007360000

約数和(自身を除く): 1327506560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 64, 70, 76, 80, 95, 98, 112, 128, 133, 140, 152, 160, 163, 190, 196, 224, 245, 266, 280, 304, 320, 326, 343, 380, 392, 448, 490, 532, 560, 608, 640, 652, 665, 686, 760, 784, 815, 896, 931, 980, 1064, 1120, 1141, 1216, 1304, 1330, 1372, 1520, 1568, 1630, 1715, 1862, 1960, 2128, 2240, 2282, 2432, 2608, 2660, 2744, 3040, 3097, 3136, 3260, 3430, 3724, 3920, 4256, 4480, 4564, 4655, 5216, 5320, 5488, 5705, 6080, 6194, 6272, 6517, 6520, 6860, 7448, 7840, 7987, 8512, 9128, 9310, 10432, 10640, 10976, 11410, 12160, 12388, 13034, 13040, 13720, 14896, 15485, 15680, 15974, 17024, 18256, 18620, 20864, 21280, 21679, 21952, 22820, 24776, 26068, 26080, 27440, 29792, 30970, 31360, 31948, 32585, 36512, 37240, 39935, 42560, 43358, 43904, 45640, 49552, 52136, 52160, 54880, 55909, 59584, 61940, 63896, 65170, 73024, 74480, 79870, 85120, 86716, 91280, 99104, 104272, 104320, 108395, 109760, 111818, 119168, 123880, 127792, 130340, 146048, 148960, 151753, 159740, 173432, 182560, 198208, 208544, 216790, 219520, 223636, 247760, 255584, 260680, 279545, 297920, 303506, 319480, 346864, 365120, 396416, 417088, 433580, 447272, 495520, 511168, 521360, 559090, 595840, 607012, 638960, 693728, 730240, 758765, 834176, 867160, 894544, 991040, 1022336, 1042720, 1062271, 1118180, 1214024, 1277920, 1387456, 1517530, 1734320, 1789088, 1982080, 2085440, 2124542, 2236360, 2428048, 2555840, 2774912, 3035060, 3468640, 3578176, 4170880, 4249084, 4472720, 4856096, 5111680, 5311355, 6070120, 6937280, 7156352, 8498168, 8945440, 9712192, 10622710, 12140240, 13874560, 16996336, 17890880, 19424384, 21245420, 24280480, 33992672, 35781760, 42490840, 48560960, 67985344, 84981680, 97121920, 135970688, 169963360, 339926720, 679853440]

約数ペア:

[(1, 679853440), (2, 339926720), (4, 169963360), (5, 135970688), (7, 97121920), (8, 84981680), (10, 67985344), (14, 48560960), (16, 42490840), (19, 35781760), (20, 33992672), (28, 24280480), (32, 21245420), (35, 19424384), (38, 17890880), (40, 16996336), (49, 13874560), (56, 12140240), (64, 10622710), (70, 9712192), (76, 8945440), (80, 8498168), (95, 7156352), (98, 6937280), (112, 6070120), (128, 5311355), (133, 5111680), (140, 4856096), (152, 4472720), (160, 4249084), (163, 4170880), (190, 3578176), (196, 3468640), (224, 3035060), (245, 2774912), (266, 2555840), (280, 2428048), (304, 2236360), (320, 2124542), (326, 2085440), (343, 1982080), (380, 1789088), (392, 1734320), (448, 1517530), (490, 1387456), (532, 1277920), (560, 1214024), (608, 1118180), (640, 1062271), (652, 1042720), (665, 1022336), (686, 991040), (760, 894544), (784, 867160), (815, 834176), (896, 758765), (931, 730240), (980, 693728), (1064, 638960), (1120, 607012), (1141, 595840), (1216, 559090), (1304, 521360), (1330, 511168), (1372, 495520), (1520, 447272), (1568, 433580), (1630, 417088), (1715, 396416), (1862, 365120), (1960, 346864), (2128, 319480), (2240, 303506), (2282, 297920), (2432, 279545), (2608, 260680), (2660, 255584), (2744, 247760), (3040, 223636), (3097, 219520), (3136, 216790), (3260, 208544), (3430, 198208), (3724, 182560), (3920, 173432), (4256, 159740), (4480, 151753), (4564, 148960), (4655, 146048), (5216, 130340), (5320, 127792), (5488, 123880), (5705, 119168), (6080, 111818), (6194, 109760), (6272, 108395), (6517, 104320), (6520, 104272), (6860, 99104), (7448, 91280), (7840, 86716), (7987, 85120), (8512, 79870), (9128, 74480), (9310, 73024), (10432, 65170), (10640, 63896), (10976, 61940), (11410, 59584), (12160, 55909), (12388, 54880), (13034, 52160), (13040, 52136), (13720, 49552), (14896, 45640), (15485, 43904), (15680, 43358), (15974, 42560), (17024, 39935), (18256, 37240), (18620, 36512), (20864, 32585), (21280, 31948), (21679, 31360), (21952, 30970), (22820, 29792), (24776, 27440), (26068, 26080)]