291509820

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{479}}^1$

素因数の和:534

約数の個数: 288

約数和(自身を含む): 1103155200

約数和(自身を除く): 811645380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 27, 28, 30, 35, 36, 42, 45, 46, 49, 54, 60, 63, 69, 70, 84, 90, 92, 98, 105, 108, 115, 126, 135, 138, 140, 147, 161, 180, 189, 196, 207, 210, 230, 245, 252, 270, 276, 294, 315, 322, 345, 378, 414, 420, 441, 460, 479, 483, 490, 540, 588, 621, 630, 644, 690, 735, 756, 805, 828, 882, 945, 958, 966, 980, 1035, 1127, 1242, 1260, 1323, 1380, 1437, 1449, 1470, 1610, 1764, 1890, 1916, 1932, 2070, 2205, 2254, 2395, 2415, 2484, 2646, 2874, 2898, 2940, 3105, 3220, 3353, 3381, 3780, 4140, 4311, 4347, 4410, 4508, 4790, 4830, 5292, 5635, 5748, 5796, 6210, 6615, 6706, 6762, 7185, 7245, 8622, 8694, 8820, 9580, 9660, 10059, 10143, 11017, 11270, 12420, 12933, 13230, 13412, 13524, 14370, 14490, 16765, 16905, 17244, 17388, 20118, 20286, 21555, 21735, 22034, 22540, 23471, 25866, 26460, 28740, 28980, 30177, 30429, 33051, 33530, 33810, 40236, 40572, 43110, 43470, 44068, 46942, 50295, 50715, 51732, 55085, 60354, 60858, 64665, 66102, 67060, 67620, 70413, 77119, 86220, 86940, 90531, 93884, 99153, 100590, 101430, 110170, 117355, 120708, 121716, 129330, 132204, 140826, 150885, 152145, 154238, 165255, 181062, 198306, 201180, 202860, 211239, 220340, 231357, 234710, 258660, 281652, 297459, 301770, 304290, 308476, 330510, 352065, 362124, 385595, 396612, 422478, 452655, 462714, 469420, 495765, 539833, 594918, 603540, 608580, 633717, 661020, 694071, 704130, 771190, 844956, 905310, 925428, 991530, 1056195, 1079666, 1156785, 1189836, 1267434, 1388142, 1408260, 1487295, 1542380, 1619499, 1810620, 1983060, 2082213, 2112390, 2159332, 2313570, 2534868, 2699165, 2776284, 2974590, 3168585, 3238998, 3470355, 4164426, 4224780, 4627140, 4858497, 5398330, 5949180, 6337170, 6477996, 6940710, 8097495, 8328852, 9716994, 10411065, 10796660, 12674340, 13881420, 14575491, 16194990, 19433988, 20822130, 24292485, 29150982, 32389980, 41644260, 48584970, 58301964, 72877455, 97169940, 145754910, 291509820]

約数ペア:

[(1, 291509820), (2, 145754910), (3, 97169940), (4, 72877455), (5, 58301964), (6, 48584970), (7, 41644260), (9, 32389980), (10, 29150982), (12, 24292485), (14, 20822130), (15, 19433988), (18, 16194990), (20, 14575491), (21, 13881420), (23, 12674340), (27, 10796660), (28, 10411065), (30, 9716994), (35, 8328852), (36, 8097495), (42, 6940710), (45, 6477996), (46, 6337170), (49, 5949180), (54, 5398330), (60, 4858497), (63, 4627140), (69, 4224780), (70, 4164426), (84, 3470355), (90, 3238998), (92, 3168585), (98, 2974590), (105, 2776284), (108, 2699165), (115, 2534868), (126, 2313570), (135, 2159332), (138, 2112390), (140, 2082213), (147, 1983060), (161, 1810620), (180, 1619499), (189, 1542380), (196, 1487295), (207, 1408260), (210, 1388142), (230, 1267434), (245, 1189836), (252, 1156785), (270, 1079666), (276, 1056195), (294, 991530), (315, 925428), (322, 905310), (345, 844956), (378, 771190), (414, 704130), (420, 694071), (441, 661020), (460, 633717), (479, 608580), (483, 603540), (490, 594918), (540, 539833), (588, 495765), (621, 469420), (630, 462714), (644, 452655), (690, 422478), (735, 396612), (756, 385595), (805, 362124), (828, 352065), (882, 330510), (945, 308476), (958, 304290), (966, 301770), (980, 297459), (1035, 281652), (1127, 258660), (1242, 234710), (1260, 231357), (1323, 220340), (1380, 211239), (1437, 202860), (1449, 201180), (1470, 198306), (1610, 181062), (1764, 165255), (1890, 154238), (1916, 152145), (1932, 150885), (2070, 140826), (2205, 132204), (2254, 129330), (2395, 121716), (2415, 120708), (2484, 117355), (2646, 110170), (2874, 101430), (2898, 100590), (2940, 99153), (3105, 93884), (3220, 90531), (3353, 86940), (3381, 86220), (3780, 77119), (4140, 70413), (4311, 67620), (4347, 67060), (4410, 66102), (4508, 64665), (4790, 60858), (4830, 60354), (5292, 55085), (5635, 51732), (5748, 50715), (5796, 50295), (6210, 46942), (6615, 44068), (6706, 43470), (6762, 43110), (7185, 40572), (7245, 40236), (8622, 33810), (8694, 33530), (8820, 33051), (9580, 30429), (9660, 30177), (10059, 28980), (10143, 28740), (11017, 26460), (11270, 25866), (12420, 23471), (12933, 22540), (13230, 22034), (13412, 21735), (13524, 21555), (14370, 20286), (14490, 20118), (16765, 17388), (16905, 17244)]