19815482880

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{50591}}^1$

素因数の和:50637

約数の個数: 240

約数和(自身を含む): 72664884864

約数和(自身を除く): 52849401984

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 64, 68, 72, 80, 85, 90, 96, 102, 120, 128, 136, 144, 153, 160, 170, 180, 192, 204, 240, 255, 256, 272, 288, 306, 320, 340, 360, 384, 408, 480, 510, 512, 544, 576, 612, 640, 680, 720, 765, 768, 816, 960, 1020, 1088, 1152, 1224, 1280, 1360, 1440, 1530, 1536, 1632, 1920, 2040, 2176, 2304, 2448, 2560, 2720, 2880, 3060, 3264, 3840, 4080, 4352, 4608, 4896, 5440, 5760, 6120, 6528, 7680, 8160, 8704, 9792, 10880, 11520, 12240, 13056, 16320, 19584, 21760, 23040, 24480, 26112, 32640, 39168, 43520, 48960, 50591, 65280, 78336, 97920, 101182, 130560, 151773, 195840, 202364, 252955, 303546, 391680, 404728, 455319, 505910, 607092, 758865, 809456, 860047, 910638, 1011820, 1214184, 1517730, 1618912, 1720094, 1821276, 2023640, 2276595, 2428368, 2580141, 3035460, 3237824, 3440188, 3642552, 4047280, 4300235, 4553190, 4856736, 5160282, 6070920, 6475648, 6880376, 7285104, 7740423, 8094560, 8600470, 9106380, 9713472, 10320564, 12141840, 12900705, 12951296, 13760752, 14570208, 15480846, 16189120, 17200940, 18212760, 19426944, 20641128, 24283680, 25801410, 25902592, 27521504, 29140416, 30961692, 32378240, 34401880, 36425520, 38702115, 38853888, 41282256, 48567360, 51602820, 55043008, 58280832, 61923384, 64756480, 68803760, 72851040, 77404230, 77707776, 82564512, 97134720, 103205640, 110086016, 116561664, 123846768, 129512960, 137607520, 145702080, 154808460, 165129024, 194269440, 206411280, 220172032, 233123328, 247693536, 275215040, 291404160, 309616920, 330258048, 388538880, 412822560, 440344064, 495387072, 550430080, 582808320, 619233840, 660516096, 825645120, 990774144, 1100860160, 1165616640, 1238467680, 1321032192, 1651290240, 1981548288, 2201720320, 2476935360, 3302580480, 3963096576, 4953870720, 6605160960, 9907741440, 19815482880]

約数ペア:

[(1, 19815482880), (2, 9907741440), (3, 6605160960), (4, 4953870720), (5, 3963096576), (6, 3302580480), (8, 2476935360), (9, 2201720320), (10, 1981548288), (12, 1651290240), (15, 1321032192), (16, 1238467680), (17, 1165616640), (18, 1100860160), (20, 990774144), (24, 825645120), (30, 660516096), (32, 619233840), (34, 582808320), (36, 550430080), (40, 495387072), (45, 440344064), (48, 412822560), (51, 388538880), (60, 330258048), (64, 309616920), (68, 291404160), (72, 275215040), (80, 247693536), (85, 233123328), (90, 220172032), (96, 206411280), (102, 194269440), (120, 165129024), (128, 154808460), (136, 145702080), (144, 137607520), (153, 129512960), (160, 123846768), (170, 116561664), (180, 110086016), (192, 103205640), (204, 97134720), (240, 82564512), (255, 77707776), (256, 77404230), (272, 72851040), (288, 68803760), (306, 64756480), (320, 61923384), (340, 58280832), (360, 55043008), (384, 51602820), (408, 48567360), (480, 41282256), (510, 38853888), (512, 38702115), (544, 36425520), (576, 34401880), (612, 32378240), (640, 30961692), (680, 29140416), (720, 27521504), (765, 25902592), (768, 25801410), (816, 24283680), (960, 20641128), (1020, 19426944), (1088, 18212760), (1152, 17200940), (1224, 16189120), (1280, 15480846), (1360, 14570208), (1440, 13760752), (1530, 12951296), (1536, 12900705), (1632, 12141840), (1920, 10320564), (2040, 9713472), (2176, 9106380), (2304, 8600470), (2448, 8094560), (2560, 7740423), (2720, 7285104), (2880, 6880376), (3060, 6475648), (3264, 6070920), (3840, 5160282), (4080, 4856736), (4352, 4553190), (4608, 4300235), (4896, 4047280), (5440, 3642552), (5760, 3440188), (6120, 3237824), (6528, 3035460), (7680, 2580141), (8160, 2428368), (8704, 2276595), (9792, 2023640), (10880, 1821276), (11520, 1720094), (12240, 1618912), (13056, 1517730), (16320, 1214184), (19584, 1011820), (21760, 910638), (23040, 860047), (24480, 809456), (26112, 758865), (32640, 607092), (39168, 505910), (43520, 455319), (48960, 404728), (50591, 391680), (65280, 303546), (78336, 252955), (97920, 202364), (101182, 195840), (130560, 151773)]