642770856

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{617}}^1$

素因数の和:705

約数の個数: 256

約数和(自身を含む): 2242598400

約数和(自身を除く): 1599827544

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 27, 28, 36, 39, 42, 52, 53, 54, 56, 63, 72, 78, 84, 91, 104, 106, 108, 117, 126, 156, 159, 168, 182, 189, 212, 216, 234, 252, 273, 312, 318, 351, 364, 371, 378, 424, 468, 477, 504, 546, 617, 636, 689, 702, 728, 742, 756, 819, 936, 954, 1092, 1113, 1234, 1272, 1378, 1404, 1431, 1484, 1512, 1638, 1851, 1908, 2067, 2184, 2226, 2457, 2468, 2756, 2808, 2862, 2968, 3276, 3339, 3702, 3816, 4134, 4319, 4452, 4823, 4914, 4936, 5512, 5553, 5724, 6201, 6552, 6678, 7404, 8021, 8268, 8638, 8904, 9646, 9828, 10017, 11106, 11448, 12402, 12957, 13356, 14469, 14808, 16042, 16536, 16659, 17276, 18603, 19292, 19656, 20034, 22212, 24063, 24804, 25914, 26712, 28938, 32084, 32701, 33318, 34552, 37206, 38584, 38871, 40068, 43407, 44424, 48126, 49608, 51828, 56147, 57876, 64168, 65402, 66636, 72189, 74412, 77742, 80136, 86814, 96252, 98103, 103656, 112294, 115752, 116613, 130221, 130804, 133272, 144378, 148824, 155484, 168441, 173628, 192504, 196206, 216567, 224588, 228907, 233226, 260442, 261608, 288756, 294309, 310968, 336882, 347256, 392412, 425113, 433134, 449176, 457814, 466452, 505323, 520884, 577512, 588618, 673764, 686721, 784824, 850226, 866268, 882927, 915628, 932904, 1010646, 1041768, 1177236, 1275339, 1347528, 1373442, 1515969, 1700452, 1732536, 1765854, 1831256, 2021292, 2060163, 2354472, 2550678, 2746884, 2975791, 3031938, 3400904, 3531708, 3826017, 4042584, 4120326, 5101356, 5493768, 5951582, 6063876, 6180489, 7063416, 7652034, 8240652, 8927373, 10202712, 11478051, 11903164, 12127752, 12360978, 15304068, 16481304, 17854746, 22956102, 23806328, 24721956, 26782119, 30608136, 35709492, 45912204, 49443912, 53564238, 71418984, 80346357, 91824408, 107128476, 160692714, 214256952, 321385428, 642770856]

約数ペア:

[(1, 642770856), (2, 321385428), (3, 214256952), (4, 160692714), (6, 107128476), (7, 91824408), (8, 80346357), (9, 71418984), (12, 53564238), (13, 49443912), (14, 45912204), (18, 35709492), (21, 30608136), (24, 26782119), (26, 24721956), (27, 23806328), (28, 22956102), (36, 17854746), (39, 16481304), (42, 15304068), (52, 12360978), (53, 12127752), (54, 11903164), (56, 11478051), (63, 10202712), (72, 8927373), (78, 8240652), (84, 7652034), (91, 7063416), (104, 6180489), (106, 6063876), (108, 5951582), (117, 5493768), (126, 5101356), (156, 4120326), (159, 4042584), (168, 3826017), (182, 3531708), (189, 3400904), (212, 3031938), (216, 2975791), (234, 2746884), (252, 2550678), (273, 2354472), (312, 2060163), (318, 2021292), (351, 1831256), (364, 1765854), (371, 1732536), (378, 1700452), (424, 1515969), (468, 1373442), (477, 1347528), (504, 1275339), (546, 1177236), (617, 1041768), (636, 1010646), (689, 932904), (702, 915628), (728, 882927), (742, 866268), (756, 850226), (819, 784824), (936, 686721), (954, 673764), (1092, 588618), (1113, 577512), (1234, 520884), (1272, 505323), (1378, 466452), (1404, 457814), (1431, 449176), (1484, 433134), (1512, 425113), (1638, 392412), (1851, 347256), (1908, 336882), (2067, 310968), (2184, 294309), (2226, 288756), (2457, 261608), (2468, 260442), (2756, 233226), (2808, 228907), (2862, 224588), (2968, 216567), (3276, 196206), (3339, 192504), (3702, 173628), (3816, 168441), (4134, 155484), (4319, 148824), (4452, 144378), (4823, 133272), (4914, 130804), (4936, 130221), (5512, 116613), (5553, 115752), (5724, 112294), (6201, 103656), (6552, 98103), (6678, 96252), (7404, 86814), (8021, 80136), (8268, 77742), (8638, 74412), (8904, 72189), (9646, 66636), (9828, 65402), (10017, 64168), (11106, 57876), (11448, 56147), (12402, 51828), (12957, 49608), (13356, 48126), (14469, 44424), (14808, 43407), (16042, 40068), (16536, 38871), (16659, 38584), (17276, 37206), (18603, 34552), (19292, 33318), (19656, 32701), (20034, 32084), (22212, 28938), (24063, 26712), (24804, 25914)]