1551134720

素因数分解:

$2^{12}\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:178

約数の個数: 208

約数和(自身を含む): 4033903680

約数和(自身を除く): 2482768960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 37, 40, 46, 64, 74, 80, 89, 92, 115, 128, 148, 160, 178, 184, 185, 230, 256, 296, 320, 356, 368, 370, 445, 460, 512, 592, 640, 712, 736, 740, 851, 890, 920, 1024, 1184, 1280, 1424, 1472, 1480, 1702, 1780, 1840, 2047, 2048, 2368, 2560, 2848, 2944, 2960, 3293, 3404, 3560, 3680, 4094, 4096, 4255, 4736, 5120, 5696, 5888, 5920, 6586, 6808, 7120, 7360, 8188, 8510, 9472, 10235, 10240, 11392, 11776, 11840, 13172, 13616, 14240, 14720, 16376, 16465, 17020, 18944, 20470, 20480, 22784, 23552, 23680, 26344, 27232, 28480, 29440, 32752, 32930, 34040, 37888, 40940, 45568, 47104, 47360, 52688, 54464, 56960, 58880, 65504, 65860, 68080, 75739, 75776, 81880, 91136, 94208, 94720, 105376, 108928, 113920, 117760, 131008, 131720, 136160, 151478, 151552, 163760, 182272, 189440, 210752, 217856, 227840, 235520, 262016, 263440, 272320, 302956, 327520, 364544, 378695, 378880, 421504, 435712, 455680, 471040, 524032, 526880, 544640, 605912, 655040, 757390, 757760, 843008, 871424, 911360, 1048064, 1053760, 1089280, 1211824, 1310080, 1514780, 1686016, 1742848, 1822720, 2096128, 2107520, 2178560, 2423648, 2620160, 3029560, 3372032, 3485696, 4192256, 4215040, 4357120, 4847296, 5240320, 6059120, 6744064, 8384512, 8430080, 8714240, 9694592, 10480640, 12118240, 13488128, 16860160, 17428480, 19389184, 20961280, 24236480, 33720320, 38778368, 41922560, 48472960, 67440640, 77556736, 96945920, 155113472, 193891840, 310226944, 387783680, 775567360, 1551134720]

約数ペア:

[(1, 1551134720), (2, 775567360), (4, 387783680), (5, 310226944), (8, 193891840), (10, 155113472), (16, 96945920), (20, 77556736), (23, 67440640), (32, 48472960), (37, 41922560), (40, 38778368), (46, 33720320), (64, 24236480), (74, 20961280), (80, 19389184), (89, 17428480), (92, 16860160), (115, 13488128), (128, 12118240), (148, 10480640), (160, 9694592), (178, 8714240), (184, 8430080), (185, 8384512), (230, 6744064), (256, 6059120), (296, 5240320), (320, 4847296), (356, 4357120), (368, 4215040), (370, 4192256), (445, 3485696), (460, 3372032), (512, 3029560), (592, 2620160), (640, 2423648), (712, 2178560), (736, 2107520), (740, 2096128), (851, 1822720), (890, 1742848), (920, 1686016), (1024, 1514780), (1184, 1310080), (1280, 1211824), (1424, 1089280), (1472, 1053760), (1480, 1048064), (1702, 911360), (1780, 871424), (1840, 843008), (2047, 757760), (2048, 757390), (2368, 655040), (2560, 605912), (2848, 544640), (2944, 526880), (2960, 524032), (3293, 471040), (3404, 455680), (3560, 435712), (3680, 421504), (4094, 378880), (4096, 378695), (4255, 364544), (4736, 327520), (5120, 302956), (5696, 272320), (5888, 263440), (5920, 262016), (6586, 235520), (6808, 227840), (7120, 217856), (7360, 210752), (8188, 189440), (8510, 182272), (9472, 163760), (10235, 151552), (10240, 151478), (11392, 136160), (11776, 131720), (11840, 131008), (13172, 117760), (13616, 113920), (14240, 108928), (14720, 105376), (16376, 94720), (16465, 94208), (17020, 91136), (18944, 81880), (20470, 75776), (20480, 75739), (22784, 68080), (23552, 65860), (23680, 65504), (26344, 58880), (27232, 56960), (28480, 54464), (29440, 52688), (32752, 47360), (32930, 47104), (34040, 45568), (37888, 40940)]