205100910

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{593}}^1$

素因数の和:680

約数の個数: 160

約数和(自身を含む): 641691072

約数和(自身を除く): 436590162

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 61, 63, 70, 81, 90, 105, 122, 126, 135, 162, 183, 189, 210, 270, 305, 315, 366, 378, 405, 427, 549, 567, 593, 610, 630, 810, 854, 915, 945, 1098, 1134, 1186, 1281, 1647, 1779, 1830, 1890, 2135, 2562, 2745, 2835, 2965, 3294, 3558, 3843, 4151, 4270, 4941, 5337, 5490, 5670, 5930, 6405, 7686, 8235, 8302, 8895, 9882, 10674, 11529, 12453, 12810, 16011, 16470, 17790, 19215, 20755, 23058, 24705, 24906, 26685, 32022, 34587, 36173, 37359, 38430, 41510, 48033, 49410, 53370, 57645, 62265, 69174, 72346, 74718, 80055, 96066, 108519, 112077, 115290, 124530, 160110, 172935, 180865, 186795, 217038, 224154, 240165, 253211, 325557, 336231, 345870, 361730, 373590, 480330, 506422, 542595, 560385, 651114, 672462, 759633, 976671, 1085190, 1120770, 1266055, 1519266, 1627785, 1681155, 1953342, 2278899, 2532110, 2930013, 3255570, 3362310, 3798165, 4557798, 4883355, 5860026, 6836697, 7596330, 9766710, 11394495, 13673394, 14650065, 20510091, 22788990, 29300130, 34183485, 41020182, 68366970, 102550455, 205100910]

約数ペア:

[(1, 205100910), (2, 102550455), (3, 68366970), (5, 41020182), (6, 34183485), (7, 29300130), (9, 22788990), (10, 20510091), (14, 14650065), (15, 13673394), (18, 11394495), (21, 9766710), (27, 7596330), (30, 6836697), (35, 5860026), (42, 4883355), (45, 4557798), (54, 3798165), (61, 3362310), (63, 3255570), (70, 2930013), (81, 2532110), (90, 2278899), (105, 1953342), (122, 1681155), (126, 1627785), (135, 1519266), (162, 1266055), (183, 1120770), (189, 1085190), (210, 976671), (270, 759633), (305, 672462), (315, 651114), (366, 560385), (378, 542595), (405, 506422), (427, 480330), (549, 373590), (567, 361730), (593, 345870), (610, 336231), (630, 325557), (810, 253211), (854, 240165), (915, 224154), (945, 217038), (1098, 186795), (1134, 180865), (1186, 172935), (1281, 160110), (1647, 124530), (1779, 115290), (1830, 112077), (1890, 108519), (2135, 96066), (2562, 80055), (2745, 74718), (2835, 72346), (2965, 69174), (3294, 62265), (3558, 57645), (3843, 53370), (4151, 49410), (4270, 48033), (4941, 41510), (5337, 38430), (5490, 37359), (5670, 36173), (5930, 34587), (6405, 32022), (7686, 26685), (8235, 24906), (8302, 24705), (8895, 23058), (9882, 20755), (10674, 19215), (11529, 17790), (12453, 16470), (12810, 16011)]