1775777220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{3623}}^1$

素因数の和:4034

約数の個数: 144

約数和(自身を含む): 6173556480

約数和(自身を除く): 4397779260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 389, 420, 630, 778, 1167, 1260, 1556, 1945, 2334, 2723, 3501, 3623, 3890, 4668, 5446, 5835, 7002, 7246, 7780, 8169, 10869, 10892, 11670, 13615, 14004, 14492, 16338, 17505, 18115, 21738, 23340, 24507, 25361, 27230, 32607, 32676, 35010, 36230, 40845, 43476, 49014, 50722, 54345, 54460, 65214, 70020, 72460, 76083, 81690, 98028, 101444, 108690, 122535, 126805, 130428, 152166, 163035, 163380, 217380, 228249, 245070, 253610, 304332, 326070, 380415, 456498, 490140, 507220, 652140, 760830, 912996, 1141245, 1409347, 1521660, 2282490, 2818694, 4228041, 4564980, 5637388, 7046735, 8456082, 9865429, 12684123, 14093470, 16912164, 19730858, 21140205, 25368246, 28186940, 29596287, 39461716, 42280410, 49327145, 50736492, 59192574, 63420615, 84560820, 88788861, 98654290, 118385148, 126841230, 147981435, 177577722, 197308580, 253682460, 295962870, 355155444, 443944305, 591925740, 887888610, 1775777220]

約数ペア:

[(1, 1775777220), (2, 887888610), (3, 591925740), (4, 443944305), (5, 355155444), (6, 295962870), (7, 253682460), (9, 197308580), (10, 177577722), (12, 147981435), (14, 126841230), (15, 118385148), (18, 98654290), (20, 88788861), (21, 84560820), (28, 63420615), (30, 59192574), (35, 50736492), (36, 49327145), (42, 42280410), (45, 39461716), (60, 29596287), (63, 28186940), (70, 25368246), (84, 21140205), (90, 19730858), (105, 16912164), (126, 14093470), (140, 12684123), (180, 9865429), (210, 8456082), (252, 7046735), (315, 5637388), (389, 4564980), (420, 4228041), (630, 2818694), (778, 2282490), (1167, 1521660), (1260, 1409347), (1556, 1141245), (1945, 912996), (2334, 760830), (2723, 652140), (3501, 507220), (3623, 490140), (3890, 456498), (4668, 380415), (5446, 326070), (5835, 304332), (7002, 253610), (7246, 245070), (7780, 228249), (8169, 217380), (10869, 163380), (10892, 163035), (11670, 152166), (13615, 130428), (14004, 126805), (14492, 122535), (16338, 108690), (17505, 101444), (18115, 98028), (21738, 81690), (23340, 76083), (24507, 72460), (25361, 70020), (27230, 65214), (32607, 54460), (32676, 54345), (35010, 50722), (36230, 49014), (40845, 43476)]