128501760

素因数分解:

$2^{11}\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:166

約数の個数: 192

約数和(自身を含む): 424569600

約数和(自身を除く): 296067840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 47, 48, 60, 64, 80, 89, 94, 96, 120, 128, 141, 160, 178, 188, 192, 235, 240, 256, 267, 282, 320, 356, 376, 384, 445, 470, 480, 512, 534, 564, 640, 705, 712, 752, 768, 890, 940, 960, 1024, 1068, 1128, 1280, 1335, 1410, 1424, 1504, 1536, 1780, 1880, 1920, 2048, 2136, 2256, 2560, 2670, 2820, 2848, 3008, 3072, 3560, 3760, 3840, 4183, 4272, 4512, 5120, 5340, 5640, 5696, 6016, 6144, 7120, 7520, 7680, 8366, 8544, 9024, 10240, 10680, 11280, 11392, 12032, 12549, 14240, 15040, 15360, 16732, 17088, 18048, 20915, 21360, 22560, 22784, 24064, 25098, 28480, 30080, 30720, 33464, 34176, 36096, 41830, 42720, 45120, 45568, 48128, 50196, 56960, 60160, 62745, 66928, 68352, 72192, 83660, 85440, 90240, 91136, 96256, 100392, 113920, 120320, 125490, 133856, 136704, 144384, 167320, 170880, 180480, 182272, 200784, 227840, 240640, 250980, 267712, 273408, 288768, 334640, 341760, 360960, 401568, 455680, 481280, 501960, 535424, 546816, 669280, 683520, 721920, 803136, 911360, 1003920, 1070848, 1338560, 1367040, 1443840, 1606272, 2007840, 2141696, 2677120, 2734080, 3212544, 4015680, 4283392, 5354240, 6425088, 8031360, 8566784, 10708480, 12850176, 16062720, 21416960, 25700352, 32125440, 42833920, 64250880, 128501760]

約数ペア:

[(1, 128501760), (2, 64250880), (3, 42833920), (4, 32125440), (5, 25700352), (6, 21416960), (8, 16062720), (10, 12850176), (12, 10708480), (15, 8566784), (16, 8031360), (20, 6425088), (24, 5354240), (30, 4283392), (32, 4015680), (40, 3212544), (47, 2734080), (48, 2677120), (60, 2141696), (64, 2007840), (80, 1606272), (89, 1443840), (94, 1367040), (96, 1338560), (120, 1070848), (128, 1003920), (141, 911360), (160, 803136), (178, 721920), (188, 683520), (192, 669280), (235, 546816), (240, 535424), (256, 501960), (267, 481280), (282, 455680), (320, 401568), (356, 360960), (376, 341760), (384, 334640), (445, 288768), (470, 273408), (480, 267712), (512, 250980), (534, 240640), (564, 227840), (640, 200784), (705, 182272), (712, 180480), (752, 170880), (768, 167320), (890, 144384), (940, 136704), (960, 133856), (1024, 125490), (1068, 120320), (1128, 113920), (1280, 100392), (1335, 96256), (1410, 91136), (1424, 90240), (1504, 85440), (1536, 83660), (1780, 72192), (1880, 68352), (1920, 66928), (2048, 62745), (2136, 60160), (2256, 56960), (2560, 50196), (2670, 48128), (2820, 45568), (2848, 45120), (3008, 42720), (3072, 41830), (3560, 36096), (3760, 34176), (3840, 33464), (4183, 30720), (4272, 30080), (4512, 28480), (5120, 25098), (5340, 24064), (5640, 22784), (5696, 22560), (6016, 21360), (6144, 20915), (7120, 18048), (7520, 17088), (7680, 16732), (8366, 15360), (8544, 15040), (9024, 14240), (10240, 12549), (10680, 12032), (11280, 11392)]