201856980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1171}}^1$

素因数の和:1226

約数の個数: 144

約数和(自身を含む): 648575424

約数和(自身を除く): 446718444

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 39, 51, 52, 60, 65, 68, 78, 85, 102, 130, 156, 169, 170, 195, 204, 221, 255, 260, 338, 340, 390, 442, 507, 510, 663, 676, 780, 845, 884, 1014, 1020, 1105, 1171, 1326, 1690, 2028, 2210, 2342, 2535, 2652, 2873, 3315, 3380, 3513, 4420, 4684, 5070, 5746, 5855, 6630, 7026, 8619, 10140, 11492, 11710, 13260, 14052, 14365, 15223, 17238, 17565, 19907, 23420, 28730, 30446, 34476, 35130, 39814, 43095, 45669, 57460, 59721, 60892, 70260, 76115, 79628, 86190, 91338, 99535, 119442, 152230, 172380, 182676, 197899, 199070, 228345, 238884, 258791, 298605, 304460, 395798, 398140, 456690, 517582, 593697, 597210, 776373, 791596, 913380, 989495, 1035164, 1187394, 1194420, 1293955, 1552746, 1978990, 2374788, 2587910, 2968485, 3105492, 3364283, 3881865, 3957980, 5175820, 5936970, 6728566, 7763730, 10092849, 11873940, 13457132, 15527460, 16821415, 20185698, 33642830, 40371396, 50464245, 67285660, 100928490, 201856980]

約数ペア:

[(1, 201856980), (2, 100928490), (3, 67285660), (4, 50464245), (5, 40371396), (6, 33642830), (10, 20185698), (12, 16821415), (13, 15527460), (15, 13457132), (17, 11873940), (20, 10092849), (26, 7763730), (30, 6728566), (34, 5936970), (39, 5175820), (51, 3957980), (52, 3881865), (60, 3364283), (65, 3105492), (68, 2968485), (78, 2587910), (85, 2374788), (102, 1978990), (130, 1552746), (156, 1293955), (169, 1194420), (170, 1187394), (195, 1035164), (204, 989495), (221, 913380), (255, 791596), (260, 776373), (338, 597210), (340, 593697), (390, 517582), (442, 456690), (507, 398140), (510, 395798), (663, 304460), (676, 298605), (780, 258791), (845, 238884), (884, 228345), (1014, 199070), (1020, 197899), (1105, 182676), (1171, 172380), (1326, 152230), (1690, 119442), (2028, 99535), (2210, 91338), (2342, 86190), (2535, 79628), (2652, 76115), (2873, 70260), (3315, 60892), (3380, 59721), (3513, 57460), (4420, 45669), (4684, 43095), (5070, 39814), (5746, 35130), (5855, 34476), (6630, 30446), (7026, 28730), (8619, 23420), (10140, 19907), (11492, 17565), (11710, 17238), (13260, 15223), (14052, 14365)]