1987841280

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{823}}^1$

素因数の和:901

約数の個数: 288

約数和(自身を含む): 6912186624

約数和(自身を除く): 4924345344

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 37, 40, 48, 51, 60, 64, 68, 74, 80, 85, 96, 102, 111, 120, 128, 136, 148, 160, 170, 185, 192, 204, 222, 240, 255, 256, 272, 296, 320, 340, 370, 384, 408, 444, 480, 510, 544, 555, 592, 629, 640, 680, 740, 768, 816, 823, 888, 960, 1020, 1088, 1110, 1184, 1258, 1280, 1360, 1480, 1632, 1646, 1776, 1887, 1920, 2040, 2176, 2220, 2368, 2469, 2516, 2720, 2960, 3145, 3264, 3292, 3552, 3774, 3840, 4080, 4115, 4352, 4440, 4736, 4938, 5032, 5440, 5920, 6290, 6528, 6584, 7104, 7548, 8160, 8230, 8880, 9435, 9472, 9876, 10064, 10880, 11840, 12345, 12580, 13056, 13168, 13991, 14208, 15096, 16320, 16460, 17760, 18870, 19752, 20128, 21760, 23680, 24690, 25160, 26336, 27982, 28416, 30192, 30451, 32640, 32920, 35520, 37740, 39504, 40256, 41973, 47360, 49380, 50320, 52672, 55964, 60384, 60902, 65280, 65840, 69955, 71040, 75480, 79008, 80512, 83946, 91353, 98760, 100640, 105344, 111928, 120768, 121804, 131680, 139910, 142080, 150960, 152255, 158016, 161024, 167892, 182706, 197520, 201280, 209865, 210688, 223856, 241536, 243608, 263360, 279820, 301920, 304510, 316032, 335784, 365412, 395040, 402560, 419730, 447712, 456765, 483072, 487216, 517667, 526720, 559640, 603840, 609020, 632064, 671568, 730824, 790080, 805120, 839460, 895424, 913530, 974432, 1035334, 1053440, 1119280, 1207680, 1218040, 1343136, 1461648, 1553001, 1580160, 1678920, 1790848, 1827060, 1948864, 2070668, 2238560, 2415360, 2436080, 2588335, 2686272, 2923296, 3106002, 3160320, 3357840, 3581696, 3654120, 3897728, 4141336, 4477120, 4872160, 5176670, 5372544, 5846592, 6212004, 6715680, 7308240, 7765005, 7795456, 8282672, 8954240, 9744320, 10353340, 10745088, 11693184, 12424008, 13431360, 14616480, 15530010, 16565344, 17908480, 19488640, 20706680, 23386368, 24848016, 26862720, 29232960, 31060020, 33130688, 38977280, 41413360, 49696032, 53725440, 58465920, 62120040, 66261376, 82826720, 99392064, 116931840, 124240080, 132522752, 165653440, 198784128, 248480160, 331306880, 397568256, 496960320, 662613760, 993920640, 1987841280]

約数ペア:

[(1, 1987841280), (2, 993920640), (3, 662613760), (4, 496960320), (5, 397568256), (6, 331306880), (8, 248480160), (10, 198784128), (12, 165653440), (15, 132522752), (16, 124240080), (17, 116931840), (20, 99392064), (24, 82826720), (30, 66261376), (32, 62120040), (34, 58465920), (37, 53725440), (40, 49696032), (48, 41413360), (51, 38977280), (60, 33130688), (64, 31060020), (68, 29232960), (74, 26862720), (80, 24848016), (85, 23386368), (96, 20706680), (102, 19488640), (111, 17908480), (120, 16565344), (128, 15530010), (136, 14616480), (148, 13431360), (160, 12424008), (170, 11693184), (185, 10745088), (192, 10353340), (204, 9744320), (222, 8954240), (240, 8282672), (255, 7795456), (256, 7765005), (272, 7308240), (296, 6715680), (320, 6212004), (340, 5846592), (370, 5372544), (384, 5176670), (408, 4872160), (444, 4477120), (480, 4141336), (510, 3897728), (544, 3654120), (555, 3581696), (592, 3357840), (629, 3160320), (640, 3106002), (680, 2923296), (740, 2686272), (768, 2588335), (816, 2436080), (823, 2415360), (888, 2238560), (960, 2070668), (1020, 1948864), (1088, 1827060), (1110, 1790848), (1184, 1678920), (1258, 1580160), (1280, 1553001), (1360, 1461648), (1480, 1343136), (1632, 1218040), (1646, 1207680), (1776, 1119280), (1887, 1053440), (1920, 1035334), (2040, 974432), (2176, 913530), (2220, 895424), (2368, 839460), (2469, 805120), (2516, 790080), (2720, 730824), (2960, 671568), (3145, 632064), (3264, 609020), (3292, 603840), (3552, 559640), (3774, 526720), (3840, 517667), (4080, 487216), (4115, 483072), (4352, 456765), (4440, 447712), (4736, 419730), (4938, 402560), (5032, 395040), (5440, 365412), (5920, 335784), (6290, 316032), (6528, 304510), (6584, 301920), (7104, 279820), (7548, 263360), (8160, 243608), (8230, 241536), (8880, 223856), (9435, 210688), (9472, 209865), (9876, 201280), (10064, 197520), (10880, 182706), (11840, 167892), (12345, 161024), (12580, 158016), (13056, 152255), (13168, 150960), (13991, 142080), (14208, 139910), (15096, 131680), (16320, 121804), (16460, 120768), (17760, 111928), (18870, 105344), (19752, 100640), (20128, 98760), (21760, 91353), (23680, 83946), (24690, 80512), (25160, 79008), (26336, 75480), (27982, 71040), (28416, 69955), (30192, 65840), (30451, 65280), (32640, 60902), (32920, 60384), (35520, 55964), (37740, 52672), (39504, 50320), (40256, 49380), (41973, 47360)]