1721020056

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:262

約数の個数: 256

約数和(自身を含む): 5308416000

約数和(自身を除く): 3587395944

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 47, 56, 62, 79, 84, 89, 93, 94, 124, 141, 158, 168, 178, 186, 188, 217, 237, 248, 267, 282, 316, 329, 356, 372, 376, 434, 474, 534, 553, 564, 623, 632, 651, 658, 712, 744, 868, 948, 987, 1068, 1106, 1128, 1246, 1302, 1316, 1457, 1659, 1736, 1869, 1896, 1974, 2136, 2212, 2449, 2492, 2604, 2632, 2759, 2914, 3318, 3713, 3738, 3948, 4183, 4371, 4424, 4898, 4984, 5208, 5518, 5828, 6636, 7031, 7347, 7426, 7476, 7896, 8277, 8366, 8742, 9796, 10199, 11036, 11139, 11656, 12549, 13272, 14062, 14694, 14852, 14952, 16554, 16732, 17143, 17484, 19313, 19592, 20398, 21093, 22072, 22278, 25098, 25991, 28124, 29281, 29388, 29704, 30597, 33108, 33464, 34286, 34968, 38626, 40796, 42186, 44556, 49217, 50196, 51429, 51982, 56248, 57939, 58562, 58776, 61194, 66216, 68572, 77252, 77973, 81592, 84372, 87843, 89112, 98434, 100392, 102858, 103964, 115103, 115878, 117124, 122388, 129673, 137144, 147651, 154504, 155946, 168744, 175686, 196868, 205716, 207928, 217961, 230206, 231756, 234248, 244776, 259346, 295302, 311892, 330457, 345309, 351372, 389019, 393736, 411432, 435922, 460412, 463512, 518692, 590604, 623784, 653883, 660914, 690618, 702744, 778038, 805721, 871844, 907711, 920824, 991371, 1037384, 1181208, 1307766, 1321828, 1381236, 1525727, 1556076, 1611442, 1743688, 1815422, 1982742, 2313199, 2417163, 2615532, 2643656, 2723133, 2762472, 3051454, 3112152, 3222884, 3630844, 3965484, 4577181, 4626398, 4834326, 5231064, 5446266, 6102908, 6445768, 6939597, 7261688, 7930968, 9154362, 9252796, 9668652, 10244167, 10892532, 12205816, 13879194, 18308724, 18505592, 19337304, 20488334, 21785064, 27758388, 30732501, 36617448, 40976668, 55516776, 61465002, 71709169, 81953336, 122930004, 143418338, 215127507, 245860008, 286836676, 430255014, 573673352, 860510028, 1721020056]

約数ペア:

[(1, 1721020056), (2, 860510028), (3, 573673352), (4, 430255014), (6, 286836676), (7, 245860008), (8, 215127507), (12, 143418338), (14, 122930004), (21, 81953336), (24, 71709169), (28, 61465002), (31, 55516776), (42, 40976668), (47, 36617448), (56, 30732501), (62, 27758388), (79, 21785064), (84, 20488334), (89, 19337304), (93, 18505592), (94, 18308724), (124, 13879194), (141, 12205816), (158, 10892532), (168, 10244167), (178, 9668652), (186, 9252796), (188, 9154362), (217, 7930968), (237, 7261688), (248, 6939597), (267, 6445768), (282, 6102908), (316, 5446266), (329, 5231064), (356, 4834326), (372, 4626398), (376, 4577181), (434, 3965484), (474, 3630844), (534, 3222884), (553, 3112152), (564, 3051454), (623, 2762472), (632, 2723133), (651, 2643656), (658, 2615532), (712, 2417163), (744, 2313199), (868, 1982742), (948, 1815422), (987, 1743688), (1068, 1611442), (1106, 1556076), (1128, 1525727), (1246, 1381236), (1302, 1321828), (1316, 1307766), (1457, 1181208), (1659, 1037384), (1736, 991371), (1869, 920824), (1896, 907711), (1974, 871844), (2136, 805721), (2212, 778038), (2449, 702744), (2492, 690618), (2604, 660914), (2632, 653883), (2759, 623784), (2914, 590604), (3318, 518692), (3713, 463512), (3738, 460412), (3948, 435922), (4183, 411432), (4371, 393736), (4424, 389019), (4898, 351372), (4984, 345309), (5208, 330457), (5518, 311892), (5828, 295302), (6636, 259346), (7031, 244776), (7347, 234248), (7426, 231756), (7476, 230206), (7896, 217961), (8277, 207928), (8366, 205716), (8742, 196868), (9796, 175686), (10199, 168744), (11036, 155946), (11139, 154504), (11656, 147651), (12549, 137144), (13272, 129673), (14062, 122388), (14694, 117124), (14852, 115878), (14952, 115103), (16554, 103964), (16732, 102858), (17143, 100392), (17484, 98434), (19313, 89112), (19592, 87843), (20398, 84372), (21093, 81592), (22072, 77973), (22278, 77252), (25098, 68572), (25991, 66216), (28124, 61194), (29281, 58776), (29388, 58562), (29704, 57939), (30597, 56248), (33108, 51982), (33464, 51429), (34286, 50196), (34968, 49217), (38626, 44556), (40796, 42186)]