1620689968

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:255

約数の個数: 160

約数和(自身を含む): 3661640640

約数和(自身を除く): 2040950672

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 53, 61, 68, 76, 97, 106, 122, 136, 152, 194, 212, 244, 272, 304, 323, 388, 424, 488, 646, 776, 848, 901, 976, 1007, 1037, 1159, 1292, 1552, 1649, 1802, 1843, 2014, 2074, 2318, 2584, 3233, 3298, 3604, 3686, 4028, 4148, 4636, 5141, 5168, 5917, 6466, 6596, 7208, 7372, 8056, 8296, 9272, 10282, 11834, 12932, 13192, 14416, 14744, 16112, 16592, 17119, 18544, 19703, 20564, 23668, 25864, 26384, 29488, 31331, 34238, 39406, 41128, 47336, 51728, 54961, 61427, 62662, 68476, 78812, 82256, 87397, 94672, 97679, 100589, 109922, 112423, 122854, 125324, 136952, 157624, 174794, 195358, 201178, 219844, 224846, 245708, 250648, 273904, 313601, 315248, 349588, 390716, 402356, 439688, 449692, 491416, 501296, 627202, 699176, 781432, 804712, 879376, 899384, 982832, 1044259, 1254404, 1398352, 1562864, 1609424, 1660543, 1798768, 1911191, 2088518, 2508808, 3321086, 3822382, 4177036, 5017616, 5331217, 5958419, 6642172, 7644764, 8354072, 10662434, 11916838, 13284344, 15289528, 16708144, 21324868, 23833676, 26568688, 30579056, 42649736, 47667352, 85299472, 95334704, 101293123, 202586246, 405172492, 810344984, 1620689968]

約数ペア:

[(1, 1620689968), (2, 810344984), (4, 405172492), (8, 202586246), (16, 101293123), (17, 95334704), (19, 85299472), (34, 47667352), (38, 42649736), (53, 30579056), (61, 26568688), (68, 23833676), (76, 21324868), (97, 16708144), (106, 15289528), (122, 13284344), (136, 11916838), (152, 10662434), (194, 8354072), (212, 7644764), (244, 6642172), (272, 5958419), (304, 5331217), (323, 5017616), (388, 4177036), (424, 3822382), (488, 3321086), (646, 2508808), (776, 2088518), (848, 1911191), (901, 1798768), (976, 1660543), (1007, 1609424), (1037, 1562864), (1159, 1398352), (1292, 1254404), (1552, 1044259), (1649, 982832), (1802, 899384), (1843, 879376), (2014, 804712), (2074, 781432), (2318, 699176), (2584, 627202), (3233, 501296), (3298, 491416), (3604, 449692), (3686, 439688), (4028, 402356), (4148, 390716), (4636, 349588), (5141, 315248), (5168, 313601), (5917, 273904), (6466, 250648), (6596, 245708), (7208, 224846), (7372, 219844), (8056, 201178), (8296, 195358), (9272, 174794), (10282, 157624), (11834, 136952), (12932, 125324), (13192, 122854), (14416, 112423), (14744, 109922), (16112, 100589), (16592, 97679), (17119, 94672), (18544, 87397), (19703, 82256), (20564, 78812), (23668, 68476), (25864, 62662), (26384, 61427), (29488, 54961), (31331, 51728), (34238, 47336), (39406, 41128)]