291989880

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2971}}^1$

素因数の和:3011

約数の個数: 256

約数和(自身を含む): 1198310400

約数和(自身を除く): 906320520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 27, 28, 30, 35, 36, 39, 40, 42, 45, 52, 54, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 108, 117, 120, 126, 130, 135, 140, 156, 168, 180, 182, 189, 195, 210, 216, 234, 252, 260, 270, 273, 280, 312, 315, 351, 360, 364, 378, 390, 420, 455, 468, 504, 520, 540, 546, 585, 630, 702, 728, 756, 780, 819, 840, 910, 936, 945, 1080, 1092, 1170, 1260, 1365, 1404, 1512, 1560, 1638, 1755, 1820, 1890, 2184, 2340, 2457, 2520, 2730, 2808, 2971, 3276, 3510, 3640, 3780, 4095, 4680, 4914, 5460, 5942, 6552, 7020, 7560, 8190, 8913, 9828, 10920, 11884, 12285, 14040, 14855, 16380, 17826, 19656, 20797, 23768, 24570, 26739, 29710, 32760, 35652, 38623, 41594, 44565, 49140, 53478, 59420, 62391, 71304, 77246, 80217, 83188, 89130, 98280, 103985, 106956, 115869, 118840, 124782, 133695, 154492, 160434, 166376, 178260, 187173, 193115, 207970, 213912, 231738, 249564, 267390, 270361, 308984, 311955, 320868, 347607, 356520, 374346, 386230, 401085, 415940, 463476, 499128, 534780, 540722, 561519, 579345, 623910, 641736, 695214, 748692, 772460, 802170, 811083, 831880, 926952, 935865, 1042821, 1069560, 1081444, 1123038, 1158690, 1247820, 1351805, 1390428, 1497384, 1544920, 1604340, 1622166, 1738035, 1871730, 2085642, 2162888, 2246076, 2317380, 2433249, 2495640, 2703610, 2780856, 2807595, 3208680, 3244332, 3476070, 3743460, 4055415, 4171284, 4492152, 4634760, 4866498, 5214105, 5407220, 5615190, 6488664, 6952140, 7299747, 7486920, 8110830, 8342568, 9732996, 10428210, 10814440, 11230380, 12166245, 13904280, 14599494, 16221660, 19465992, 20856420, 22460760, 24332490, 29198988, 32443320, 36498735, 41712840, 48664980, 58397976, 72997470, 97329960, 145994940, 291989880]

約数ペア:

[(1, 291989880), (2, 145994940), (3, 97329960), (4, 72997470), (5, 58397976), (6, 48664980), (7, 41712840), (8, 36498735), (9, 32443320), (10, 29198988), (12, 24332490), (13, 22460760), (14, 20856420), (15, 19465992), (18, 16221660), (20, 14599494), (21, 13904280), (24, 12166245), (26, 11230380), (27, 10814440), (28, 10428210), (30, 9732996), (35, 8342568), (36, 8110830), (39, 7486920), (40, 7299747), (42, 6952140), (45, 6488664), (52, 5615190), (54, 5407220), (56, 5214105), (60, 4866498), (63, 4634760), (65, 4492152), (70, 4171284), (72, 4055415), (78, 3743460), (84, 3476070), (90, 3244332), (91, 3208680), (104, 2807595), (105, 2780856), (108, 2703610), (117, 2495640), (120, 2433249), (126, 2317380), (130, 2246076), (135, 2162888), (140, 2085642), (156, 1871730), (168, 1738035), (180, 1622166), (182, 1604340), (189, 1544920), (195, 1497384), (210, 1390428), (216, 1351805), (234, 1247820), (252, 1158690), (260, 1123038), (270, 1081444), (273, 1069560), (280, 1042821), (312, 935865), (315, 926952), (351, 831880), (360, 811083), (364, 802170), (378, 772460), (390, 748692), (420, 695214), (455, 641736), (468, 623910), (504, 579345), (520, 561519), (540, 540722), (546, 534780), (585, 499128), (630, 463476), (702, 415940), (728, 401085), (756, 386230), (780, 374346), (819, 356520), (840, 347607), (910, 320868), (936, 311955), (945, 308984), (1080, 270361), (1092, 267390), (1170, 249564), (1260, 231738), (1365, 213912), (1404, 207970), (1512, 193115), (1560, 187173), (1638, 178260), (1755, 166376), (1820, 160434), (1890, 154492), (2184, 133695), (2340, 124782), (2457, 118840), (2520, 115869), (2730, 106956), (2808, 103985), (2971, 98280), (3276, 89130), (3510, 83188), (3640, 80217), (3780, 77246), (4095, 71304), (4680, 62391), (4914, 59420), (5460, 53478), (5942, 49140), (6552, 44565), (7020, 41594), (7560, 38623), (8190, 35652), (8913, 32760), (9828, 29710), (10920, 26739), (11884, 24570), (12285, 23768), (14040, 20797), (14855, 19656), (16380, 17826)]