620321280

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{37}}^2\times {\mathrm{59}}^1$

素因数の和:159

約数の個数: 240

約数和(自身を含む): 2072679840

約数和(自身を除く): 1452358560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 59, 60, 64, 74, 80, 96, 111, 118, 120, 128, 148, 160, 177, 185, 192, 222, 236, 240, 256, 295, 296, 320, 354, 370, 384, 444, 472, 480, 512, 555, 590, 592, 640, 708, 740, 768, 885, 888, 944, 960, 1110, 1180, 1184, 1280, 1369, 1416, 1480, 1536, 1770, 1776, 1888, 1920, 2183, 2220, 2360, 2368, 2560, 2738, 2832, 2960, 3540, 3552, 3776, 3840, 4107, 4366, 4440, 4720, 4736, 5476, 5664, 5920, 6549, 6845, 7080, 7104, 7552, 7680, 8214, 8732, 8880, 9440, 9472, 10915, 10952, 11328, 11840, 13098, 13690, 14160, 14208, 15104, 16428, 17464, 17760, 18880, 18944, 20535, 21830, 21904, 22656, 23680, 26196, 27380, 28320, 28416, 30208, 32745, 32856, 34928, 35520, 37760, 41070, 43660, 43808, 45312, 47360, 52392, 54760, 56640, 56832, 65490, 65712, 69856, 71040, 75520, 80771, 82140, 87320, 87616, 90624, 94720, 104784, 109520, 113280, 130980, 131424, 139712, 142080, 151040, 161542, 164280, 174640, 175232, 209568, 219040, 226560, 242313, 261960, 262848, 279424, 284160, 323084, 328560, 349280, 350464, 403855, 419136, 438080, 453120, 484626, 523920, 525696, 558848, 646168, 657120, 698560, 700928, 807710, 838272, 876160, 969252, 1047840, 1051392, 1117696, 1211565, 1292336, 1314240, 1397120, 1615420, 1676544, 1752320, 1938504, 2095680, 2102784, 2423130, 2584672, 2628480, 2794240, 3230840, 3353088, 3504640, 3877008, 4191360, 4846260, 5169344, 5256960, 5588480, 6461680, 7754016, 8382720, 9692520, 10338688, 10513920, 12923360, 15508032, 16765440, 19385040, 20677376, 25846720, 31016064, 38770080, 41354752, 51693440, 62032128, 77540160, 103386880, 124064256, 155080320, 206773760, 310160640, 620321280]

約数ペア:

[(1, 620321280), (2, 310160640), (3, 206773760), (4, 155080320), (5, 124064256), (6, 103386880), (8, 77540160), (10, 62032128), (12, 51693440), (15, 41354752), (16, 38770080), (20, 31016064), (24, 25846720), (30, 20677376), (32, 19385040), (37, 16765440), (40, 15508032), (48, 12923360), (59, 10513920), (60, 10338688), (64, 9692520), (74, 8382720), (80, 7754016), (96, 6461680), (111, 5588480), (118, 5256960), (120, 5169344), (128, 4846260), (148, 4191360), (160, 3877008), (177, 3504640), (185, 3353088), (192, 3230840), (222, 2794240), (236, 2628480), (240, 2584672), (256, 2423130), (295, 2102784), (296, 2095680), (320, 1938504), (354, 1752320), (370, 1676544), (384, 1615420), (444, 1397120), (472, 1314240), (480, 1292336), (512, 1211565), (555, 1117696), (590, 1051392), (592, 1047840), (640, 969252), (708, 876160), (740, 838272), (768, 807710), (885, 700928), (888, 698560), (944, 657120), (960, 646168), (1110, 558848), (1180, 525696), (1184, 523920), (1280, 484626), (1369, 453120), (1416, 438080), (1480, 419136), (1536, 403855), (1770, 350464), (1776, 349280), (1888, 328560), (1920, 323084), (2183, 284160), (2220, 279424), (2360, 262848), (2368, 261960), (2560, 242313), (2738, 226560), (2832, 219040), (2960, 209568), (3540, 175232), (3552, 174640), (3776, 164280), (3840, 161542), (4107, 151040), (4366, 142080), (4440, 139712), (4720, 131424), (4736, 130980), (5476, 113280), (5664, 109520), (5920, 104784), (6549, 94720), (6845, 90624), (7080, 87616), (7104, 87320), (7552, 82140), (7680, 80771), (8214, 75520), (8732, 71040), (8880, 69856), (9440, 65712), (9472, 65490), (10915, 56832), (10952, 56640), (11328, 54760), (11840, 52392), (13098, 47360), (13690, 45312), (14160, 43808), (14208, 43660), (15104, 41070), (16428, 37760), (17464, 35520), (17760, 34928), (18880, 32856), (18944, 32745), (20535, 30208), (21830, 28416), (21904, 28320), (22656, 27380), (23680, 26196)]