1780498854

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:459

約数の個数: 128

約数和(自身を含む): 4292352000

約数和(自身を除く): 2511853146

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 53, 54, 57, 106, 114, 137, 159, 171, 239, 274, 318, 342, 411, 477, 478, 513, 717, 822, 954, 1007, 1026, 1233, 1431, 1434, 2014, 2151, 2466, 2603, 2862, 3021, 3699, 4302, 4541, 5206, 6042, 6453, 7261, 7398, 7809, 9063, 9082, 12667, 12906, 13623, 14522, 15618, 18126, 21783, 23427, 25334, 27189, 27246, 32743, 38001, 40869, 43566, 46854, 54378, 65349, 65486, 70281, 76002, 81738, 98229, 114003, 122607, 130698, 137959, 140562, 196047, 196458, 228006, 240673, 245214, 275918, 294687, 342009, 392094, 413877, 481346, 589374, 622117, 684018, 722019, 827754, 884061, 1241631, 1244234, 1444038, 1735379, 1768122, 1866351, 2166057, 2483262, 3470758, 3724893, 3732702, 4332114, 5206137, 5599053, 6498171, 7449786, 10412274, 11198106, 12996342, 15618411, 16797159, 31236822, 32972201, 33594318, 46855233, 65944402, 93710466, 98916603, 197833206, 296749809, 593499618, 890249427, 1780498854]

約数ペア:

[(1, 1780498854), (2, 890249427), (3, 593499618), (6, 296749809), (9, 197833206), (18, 98916603), (19, 93710466), (27, 65944402), (38, 46855233), (53, 33594318), (54, 32972201), (57, 31236822), (106, 16797159), (114, 15618411), (137, 12996342), (159, 11198106), (171, 10412274), (239, 7449786), (274, 6498171), (318, 5599053), (342, 5206137), (411, 4332114), (477, 3732702), (478, 3724893), (513, 3470758), (717, 2483262), (822, 2166057), (954, 1866351), (1007, 1768122), (1026, 1735379), (1233, 1444038), (1431, 1244234), (1434, 1241631), (2014, 884061), (2151, 827754), (2466, 722019), (2603, 684018), (2862, 622117), (3021, 589374), (3699, 481346), (4302, 413877), (4541, 392094), (5206, 342009), (6042, 294687), (6453, 275918), (7261, 245214), (7398, 240673), (7809, 228006), (9063, 196458), (9082, 196047), (12667, 140562), (12906, 137959), (13623, 130698), (14522, 122607), (15618, 114003), (18126, 98229), (21783, 81738), (23427, 76002), (25334, 70281), (27189, 65486), (27246, 65349), (32743, 54378), (38001, 46854), (40869, 43566)]