639061920

素因数分解:

$2^5\times 3^3\times 5^1\times 7^2\times {\mathrm{3019}}^1$

素因数の和:3057

約数の個数: 288

約数和(自身を含む): 2602756800

約数和(自身を除く): 1963694880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 160, 168, 180, 189, 196, 210, 216, 224, 240, 245, 252, 270, 280, 288, 294, 315, 336, 360, 378, 392, 420, 432, 441, 480, 490, 504, 540, 560, 588, 630, 672, 720, 735, 756, 784, 840, 864, 882, 945, 980, 1008, 1080, 1120, 1176, 1260, 1323, 1440, 1470, 1512, 1568, 1680, 1764, 1890, 1960, 2016, 2160, 2205, 2352, 2520, 2646, 2940, 3019, 3024, 3360, 3528, 3780, 3920, 4320, 4410, 4704, 5040, 5292, 5880, 6038, 6048, 6615, 7056, 7560, 7840, 8820, 9057, 10080, 10584, 11760, 12076, 13230, 14112, 15095, 15120, 17640, 18114, 21133, 21168, 23520, 24152, 26460, 27171, 30190, 30240, 35280, 36228, 42266, 42336, 45285, 48304, 52920, 54342, 60380, 63399, 70560, 72456, 81513, 84532, 90570, 96608, 105665, 105840, 108684, 120760, 126798, 135855, 144912, 147931, 163026, 169064, 181140, 190197, 211330, 211680, 217368, 241520, 253596, 271710, 289824, 295862, 316995, 326052, 338128, 362280, 380394, 407565, 422660, 434736, 443793, 483040, 507192, 543420, 570591, 591724, 633990, 652104, 676256, 724560, 739655, 760788, 815130, 845320, 869472, 887586, 950985, 1014384, 1086840, 1141182, 1183448, 1267980, 1304208, 1331379, 1449120, 1479310, 1521576, 1630260, 1690640, 1775172, 1901970, 2028768, 2173680, 2218965, 2282364, 2366896, 2535960, 2608416, 2662758, 2852955, 2958620, 3043152, 3260520, 3381280, 3550344, 3803940, 3994137, 4347360, 4437930, 4564728, 4733792, 5071920, 5325516, 5705910, 5917240, 6086304, 6521040, 6656895, 7100688, 7607880, 7988274, 8875860, 9129456, 10143840, 10651032, 11411820, 11834480, 13042080, 13313790, 14201376, 15215760, 15976548, 17751720, 18258912, 19970685, 21302064, 22823640, 23668960, 26627580, 30431520, 31953096, 35503440, 39941370, 42604128, 45647280, 53255160, 63906192, 71006880, 79882740, 91294560, 106510320, 127812384, 159765480, 213020640, 319530960, 639061920]

約数ペア:

[(1, 639061920), (2, 319530960), (3, 213020640), (4, 159765480), (5, 127812384), (6, 106510320), (7, 91294560), (8, 79882740), (9, 71006880), (10, 63906192), (12, 53255160), (14, 45647280), (15, 42604128), (16, 39941370), (18, 35503440), (20, 31953096), (21, 30431520), (24, 26627580), (27, 23668960), (28, 22823640), (30, 21302064), (32, 19970685), (35, 18258912), (36, 17751720), (40, 15976548), (42, 15215760), (45, 14201376), (48, 13313790), (49, 13042080), (54, 11834480), (56, 11411820), (60, 10651032), (63, 10143840), (70, 9129456), (72, 8875860), (80, 7988274), (84, 7607880), (90, 7100688), (96, 6656895), (98, 6521040), (105, 6086304), (108, 5917240), (112, 5705910), (120, 5325516), (126, 5071920), (135, 4733792), (140, 4564728), (144, 4437930), (147, 4347360), (160, 3994137), (168, 3803940), (180, 3550344), (189, 3381280), (196, 3260520), (210, 3043152), (216, 2958620), (224, 2852955), (240, 2662758), (245, 2608416), (252, 2535960), (270, 2366896), (280, 2282364), (288, 2218965), (294, 2173680), (315, 2028768), (336, 1901970), (360, 1775172), (378, 1690640), (392, 1630260), (420, 1521576), (432, 1479310), (441, 1449120), (480, 1331379), (490, 1304208), (504, 1267980), (540, 1183448), (560, 1141182), (588, 1086840), (630, 1014384), (672, 950985), (720, 887586), (735, 869472), (756, 845320), (784, 815130), (840, 760788), (864, 739655), (882, 724560), (945, 676256), (980, 652104), (1008, 633990), (1080, 591724), (1120, 570591), (1176, 543420), (1260, 507192), (1323, 483040), (1440, 443793), (1470, 434736), (1512, 422660), (1568, 407565), (1680, 380394), (1764, 362280), (1890, 338128), (1960, 326052), (2016, 316995), (2160, 295862), (2205, 289824), (2352, 271710), (2520, 253596), (2646, 241520), (2940, 217368), (3019, 211680), (3024, 211330), (3360, 190197), (3528, 181140), (3780, 169064), (3920, 163026), (4320, 147931), (4410, 144912), (4704, 135855), (5040, 126798), (5292, 120760), (5880, 108684), (6038, 105840), (6048, 105665), (6615, 96608), (7056, 90570), (7560, 84532), (7840, 81513), (8820, 72456), (9057, 70560), (10080, 63399), (10584, 60380), (11760, 54342), (12076, 52920), (13230, 48304), (14112, 45285), (15095, 42336), (15120, 42266), (17640, 36228), (18114, 35280), (21133, 30240), (21168, 30190), (23520, 27171), (24152, 26460)]