1640764580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{14779}}^1$

素因数の和:14869

約数の個数: 96

約数和(自身を含む): 4310557440

約数和(自身を除く): 2669792860

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 61, 65, 70, 91, 122, 130, 140, 182, 244, 260, 305, 364, 427, 455, 610, 793, 854, 910, 1220, 1586, 1708, 1820, 2135, 3172, 3965, 4270, 5551, 7930, 8540, 11102, 14779, 15860, 22204, 27755, 29558, 55510, 59116, 73895, 103453, 111020, 147790, 192127, 206906, 295580, 384254, 413812, 517265, 768508, 901519, 960635, 1034530, 1344889, 1803038, 1921270, 2069060, 2689778, 3606076, 3842540, 4507595, 5379556, 6310633, 6724445, 9015190, 11719747, 12621266, 13448890, 18030380, 23439494, 25242532, 26897780, 31553165, 46878988, 58598735, 63106330, 82038229, 117197470, 126212660, 164076458, 234394940, 328152916, 410191145, 820382290, 1640764580]

約数ペア:

[(1, 1640764580), (2, 820382290), (4, 410191145), (5, 328152916), (7, 234394940), (10, 164076458), (13, 126212660), (14, 117197470), (20, 82038229), (26, 63106330), (28, 58598735), (35, 46878988), (52, 31553165), (61, 26897780), (65, 25242532), (70, 23439494), (91, 18030380), (122, 13448890), (130, 12621266), (140, 11719747), (182, 9015190), (244, 6724445), (260, 6310633), (305, 5379556), (364, 4507595), (427, 3842540), (455, 3606076), (610, 2689778), (793, 2069060), (854, 1921270), (910, 1803038), (1220, 1344889), (1586, 1034530), (1708, 960635), (1820, 901519), (2135, 768508), (3172, 517265), (3965, 413812), (4270, 384254), (5551, 295580), (7930, 206906), (8540, 192127), (11102, 147790), (14779, 111020), (15860, 103453), (22204, 73895), (27755, 59116), (29558, 55510)]