1213632640

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:211

約数の個数: 256

約数和(自身を含む): 3355914240

約数和(自身を除く): 2142281600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 67, 80, 83, 88, 110, 124, 128, 134, 155, 160, 166, 176, 220, 248, 268, 310, 320, 332, 335, 341, 352, 415, 440, 496, 536, 620, 640, 664, 670, 682, 704, 737, 830, 880, 913, 992, 1072, 1240, 1328, 1340, 1364, 1408, 1474, 1660, 1705, 1760, 1826, 1984, 2077, 2144, 2480, 2573, 2656, 2680, 2728, 2948, 3320, 3410, 3520, 3652, 3685, 3968, 4154, 4288, 4565, 4960, 5146, 5312, 5360, 5456, 5561, 5896, 6640, 6820, 7040, 7304, 7370, 8308, 8576, 9130, 9920, 10292, 10385, 10624, 10720, 10912, 11122, 11792, 12865, 13280, 13640, 14608, 14740, 16616, 18260, 19840, 20584, 20770, 21440, 21824, 22244, 22847, 23584, 25730, 26560, 27280, 27805, 28303, 29216, 29480, 33232, 36520, 41168, 41540, 42880, 43648, 44488, 45694, 47168, 51460, 53120, 54560, 55610, 56606, 58432, 58960, 61171, 66464, 73040, 82336, 83080, 88976, 91388, 94336, 102920, 109120, 111220, 113212, 114235, 116864, 117920, 122342, 132928, 141515, 146080, 164672, 166160, 172391, 177952, 182776, 205840, 218240, 222440, 226424, 228470, 235840, 244684, 265856, 283030, 292160, 305855, 329344, 332320, 344782, 355904, 365552, 411680, 444880, 452848, 456940, 471680, 489368, 566060, 584320, 611710, 664640, 689564, 711808, 731104, 823360, 861955, 889760, 905696, 913880, 978736, 1132120, 1223420, 1329280, 1379128, 1462208, 1646720, 1723910, 1779520, 1811392, 1827760, 1896301, 1957472, 2264240, 2446840, 2758256, 2924416, 3447820, 3559040, 3622784, 3655520, 3792602, 3914944, 4528480, 4893680, 5516512, 6895640, 7311040, 7585204, 7829888, 9056960, 9481505, 9787360, 11033024, 13791280, 14622080, 15170408, 18113920, 18963010, 19574720, 22066048, 27582560, 30340816, 37926020, 39149440, 55165120, 60681632, 75852040, 110330240, 121363264, 151704080, 242726528, 303408160, 606816320, 1213632640]

約数ペア:

[(1, 1213632640), (2, 606816320), (4, 303408160), (5, 242726528), (8, 151704080), (10, 121363264), (11, 110330240), (16, 75852040), (20, 60681632), (22, 55165120), (31, 39149440), (32, 37926020), (40, 30340816), (44, 27582560), (55, 22066048), (62, 19574720), (64, 18963010), (67, 18113920), (80, 15170408), (83, 14622080), (88, 13791280), (110, 11033024), (124, 9787360), (128, 9481505), (134, 9056960), (155, 7829888), (160, 7585204), (166, 7311040), (176, 6895640), (220, 5516512), (248, 4893680), (268, 4528480), (310, 3914944), (320, 3792602), (332, 3655520), (335, 3622784), (341, 3559040), (352, 3447820), (415, 2924416), (440, 2758256), (496, 2446840), (536, 2264240), (620, 1957472), (640, 1896301), (664, 1827760), (670, 1811392), (682, 1779520), (704, 1723910), (737, 1646720), (830, 1462208), (880, 1379128), (913, 1329280), (992, 1223420), (1072, 1132120), (1240, 978736), (1328, 913880), (1340, 905696), (1364, 889760), (1408, 861955), (1474, 823360), (1660, 731104), (1705, 711808), (1760, 689564), (1826, 664640), (1984, 611710), (2077, 584320), (2144, 566060), (2480, 489368), (2573, 471680), (2656, 456940), (2680, 452848), (2728, 444880), (2948, 411680), (3320, 365552), (3410, 355904), (3520, 344782), (3652, 332320), (3685, 329344), (3968, 305855), (4154, 292160), (4288, 283030), (4565, 265856), (4960, 244684), (5146, 235840), (5312, 228470), (5360, 226424), (5456, 222440), (5561, 218240), (5896, 205840), (6640, 182776), (6820, 177952), (7040, 172391), (7304, 166160), (7370, 164672), (8308, 146080), (8576, 141515), (9130, 132928), (9920, 122342), (10292, 117920), (10385, 116864), (10624, 114235), (10720, 113212), (10912, 111220), (11122, 109120), (11792, 102920), (12865, 94336), (13280, 91388), (13640, 88976), (14608, 83080), (14740, 82336), (16616, 73040), (18260, 66464), (19840, 61171), (20584, 58960), (20770, 58432), (21440, 56606), (21824, 55610), (22244, 54560), (22847, 53120), (23584, 51460), (25730, 47168), (26560, 45694), (27280, 44488), (27805, 43648), (28303, 42880), (29216, 41540), (29480, 41168), (33232, 36520)]