640196256

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{241}}^1$

素因数の和:387

約数の個数: 192

約数和(自身を含む): 1990517760

約数和(自身を除く): 1350321504

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 59, 67, 84, 96, 112, 118, 134, 168, 177, 201, 224, 236, 241, 268, 336, 354, 402, 413, 469, 472, 482, 536, 672, 708, 723, 804, 826, 938, 944, 964, 1072, 1239, 1407, 1416, 1446, 1608, 1652, 1687, 1876, 1888, 1928, 2144, 2478, 2814, 2832, 2892, 3216, 3304, 3374, 3752, 3856, 3953, 4956, 5061, 5628, 5664, 5784, 6432, 6608, 6748, 7504, 7712, 7906, 9912, 10122, 11256, 11568, 11859, 13216, 13496, 14219, 15008, 15812, 16147, 19824, 20244, 22512, 23136, 23718, 26992, 27671, 28438, 31624, 32294, 39648, 40488, 42657, 45024, 47436, 48441, 53984, 55342, 56876, 63248, 64588, 80976, 83013, 85314, 94872, 96882, 99533, 110684, 113029, 113752, 126496, 129176, 161952, 166026, 170628, 189744, 193764, 199066, 221368, 226058, 227504, 258352, 298599, 332052, 339087, 341256, 379488, 387528, 398132, 442736, 452116, 455008, 516704, 597198, 664104, 678174, 682512, 775056, 796264, 885472, 904232, 952673, 1194396, 1328208, 1356348, 1365024, 1550112, 1592528, 1808464, 1905346, 2388792, 2656416, 2712696, 2858019, 3185056, 3616928, 3810692, 4777584, 5425392, 5716038, 6668711, 7621384, 9555168, 10850784, 11432076, 13337422, 15242768, 20006133, 22864152, 26674844, 30485536, 40012266, 45728304, 53349688, 80024532, 91456608, 106699376, 160049064, 213398752, 320098128, 640196256]

約数ペア:

[(1, 640196256), (2, 320098128), (3, 213398752), (4, 160049064), (6, 106699376), (7, 91456608), (8, 80024532), (12, 53349688), (14, 45728304), (16, 40012266), (21, 30485536), (24, 26674844), (28, 22864152), (32, 20006133), (42, 15242768), (48, 13337422), (56, 11432076), (59, 10850784), (67, 9555168), (84, 7621384), (96, 6668711), (112, 5716038), (118, 5425392), (134, 4777584), (168, 3810692), (177, 3616928), (201, 3185056), (224, 2858019), (236, 2712696), (241, 2656416), (268, 2388792), (336, 1905346), (354, 1808464), (402, 1592528), (413, 1550112), (469, 1365024), (472, 1356348), (482, 1328208), (536, 1194396), (672, 952673), (708, 904232), (723, 885472), (804, 796264), (826, 775056), (938, 682512), (944, 678174), (964, 664104), (1072, 597198), (1239, 516704), (1407, 455008), (1416, 452116), (1446, 442736), (1608, 398132), (1652, 387528), (1687, 379488), (1876, 341256), (1888, 339087), (1928, 332052), (2144, 298599), (2478, 258352), (2814, 227504), (2832, 226058), (2892, 221368), (3216, 199066), (3304, 193764), (3374, 189744), (3752, 170628), (3856, 166026), (3953, 161952), (4956, 129176), (5061, 126496), (5628, 113752), (5664, 113029), (5784, 110684), (6432, 99533), (6608, 96882), (6748, 94872), (7504, 85314), (7712, 83013), (7906, 80976), (9912, 64588), (10122, 63248), (11256, 56876), (11568, 55342), (11859, 53984), (13216, 48441), (13496, 47436), (14219, 45024), (15008, 42657), (15812, 40488), (16147, 39648), (19824, 32294), (20244, 31624), (22512, 28438), (23136, 27671), (23718, 26992)]