971431440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{89}}^2$

素因数の和:274

約数の個数: 240

約数和(自身を含む): 3528428928

約数和(自身を除く): 2556997488

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 73, 80, 84, 89, 105, 112, 120, 140, 146, 168, 178, 210, 219, 240, 267, 280, 292, 336, 356, 365, 420, 438, 445, 511, 534, 560, 584, 623, 712, 730, 840, 876, 890, 1022, 1068, 1095, 1168, 1246, 1335, 1424, 1460, 1533, 1680, 1752, 1780, 1869, 2044, 2136, 2190, 2492, 2555, 2670, 2920, 3066, 3115, 3504, 3560, 3738, 4088, 4272, 4380, 4984, 5110, 5340, 5840, 6132, 6230, 6497, 7120, 7476, 7665, 7921, 8176, 8760, 9345, 9968, 10220, 10680, 12264, 12460, 12994, 14952, 15330, 15842, 17520, 18690, 19491, 20440, 21360, 23763, 24528, 24920, 25988, 29904, 30660, 31684, 32485, 37380, 38982, 39605, 40880, 45479, 47526, 49840, 51976, 55447, 61320, 63368, 64970, 74760, 77964, 79210, 90958, 95052, 97455, 103952, 110894, 118815, 122640, 126736, 129940, 136437, 149520, 155928, 158420, 166341, 181916, 190104, 194910, 221788, 227395, 237630, 259880, 272874, 277235, 311856, 316840, 332682, 363832, 380208, 389820, 443576, 454790, 475260, 519760, 545748, 554470, 578233, 633680, 665364, 682185, 727664, 779640, 831705, 887152, 909580, 950520, 1091496, 1108940, 1156466, 1330728, 1364370, 1559280, 1663410, 1734699, 1819160, 1901040, 2182992, 2217880, 2312932, 2661456, 2728740, 2891165, 3326820, 3469398, 3638320, 4047631, 4435760, 4625864, 5457480, 5782330, 6653640, 6938796, 8095262, 8673495, 9251728, 10914960, 11564660, 12142893, 13307280, 13877592, 16190524, 17346990, 20238155, 23129320, 24285786, 27755184, 32381048, 34693980, 40476310, 46258640, 48571572, 60714465, 64762096, 69387960, 80952620, 97143144, 121428930, 138775920, 161905240, 194286288, 242857860, 323810480, 485715720, 971431440]

約数ペア:

[(1, 971431440), (2, 485715720), (3, 323810480), (4, 242857860), (5, 194286288), (6, 161905240), (7, 138775920), (8, 121428930), (10, 97143144), (12, 80952620), (14, 69387960), (15, 64762096), (16, 60714465), (20, 48571572), (21, 46258640), (24, 40476310), (28, 34693980), (30, 32381048), (35, 27755184), (40, 24285786), (42, 23129320), (48, 20238155), (56, 17346990), (60, 16190524), (70, 13877592), (73, 13307280), (80, 12142893), (84, 11564660), (89, 10914960), (105, 9251728), (112, 8673495), (120, 8095262), (140, 6938796), (146, 6653640), (168, 5782330), (178, 5457480), (210, 4625864), (219, 4435760), (240, 4047631), (267, 3638320), (280, 3469398), (292, 3326820), (336, 2891165), (356, 2728740), (365, 2661456), (420, 2312932), (438, 2217880), (445, 2182992), (511, 1901040), (534, 1819160), (560, 1734699), (584, 1663410), (623, 1559280), (712, 1364370), (730, 1330728), (840, 1156466), (876, 1108940), (890, 1091496), (1022, 950520), (1068, 909580), (1095, 887152), (1168, 831705), (1246, 779640), (1335, 727664), (1424, 682185), (1460, 665364), (1533, 633680), (1680, 578233), (1752, 554470), (1780, 545748), (1869, 519760), (2044, 475260), (2136, 454790), (2190, 443576), (2492, 389820), (2555, 380208), (2670, 363832), (2920, 332682), (3066, 316840), (3115, 311856), (3504, 277235), (3560, 272874), (3738, 259880), (4088, 237630), (4272, 227395), (4380, 221788), (4984, 194910), (5110, 190104), (5340, 181916), (5840, 166341), (6132, 158420), (6230, 155928), (6497, 149520), (7120, 136437), (7476, 129940), (7665, 126736), (7921, 122640), (8176, 118815), (8760, 110894), (9345, 103952), (9968, 97455), (10220, 95052), (10680, 90958), (12264, 79210), (12460, 77964), (12994, 74760), (14952, 64970), (15330, 63368), (15842, 61320), (17520, 55447), (18690, 51976), (19491, 49840), (20440, 47526), (21360, 45479), (23763, 40880), (24528, 39605), (24920, 38982), (25988, 37380), (29904, 32485), (30660, 31684)]