20917418640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{18869}}^1$

素因数の和:19065

約数の個数: 160

約数和(自身を含む): 67388544000

約数和(自身を除く): 46471125360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 149, 155, 186, 240, 248, 298, 310, 372, 447, 465, 496, 596, 620, 744, 745, 894, 930, 1192, 1240, 1488, 1490, 1788, 1860, 2235, 2384, 2480, 2980, 3576, 3720, 4470, 4619, 5960, 7152, 7440, 8940, 9238, 11920, 13857, 17880, 18476, 18869, 23095, 27714, 35760, 36952, 37738, 46190, 55428, 56607, 69285, 73904, 75476, 92380, 94345, 110856, 113214, 138570, 150952, 184760, 188690, 221712, 226428, 277140, 283035, 301904, 369520, 377380, 452856, 554280, 566070, 584939, 754760, 905712, 1108560, 1132140, 1169878, 1509520, 1754817, 2264280, 2339756, 2811481, 2924695, 3509634, 4528560, 4679512, 5622962, 5849390, 7019268, 8434443, 8774085, 9359024, 11245924, 11698780, 14038536, 14057405, 16868886, 17548170, 22491848, 23397560, 28077072, 28114810, 33737772, 35096340, 42172215, 44983696, 46795120, 56229620, 67475544, 70192680, 84344430, 87155911, 112459240, 134951088, 140385360, 168688860, 174311822, 224918480, 261467733, 337377720, 348623644, 435779555, 522935466, 674755440, 697247288, 871559110, 1045870932, 1307338665, 1394494576, 1743118220, 2091741864, 2614677330, 3486236440, 4183483728, 5229354660, 6972472880, 10458709320, 20917418640]

約数ペア:

[(1, 20917418640), (2, 10458709320), (3, 6972472880), (4, 5229354660), (5, 4183483728), (6, 3486236440), (8, 2614677330), (10, 2091741864), (12, 1743118220), (15, 1394494576), (16, 1307338665), (20, 1045870932), (24, 871559110), (30, 697247288), (31, 674755440), (40, 522935466), (48, 435779555), (60, 348623644), (62, 337377720), (80, 261467733), (93, 224918480), (120, 174311822), (124, 168688860), (149, 140385360), (155, 134951088), (186, 112459240), (240, 87155911), (248, 84344430), (298, 70192680), (310, 67475544), (372, 56229620), (447, 46795120), (465, 44983696), (496, 42172215), (596, 35096340), (620, 33737772), (744, 28114810), (745, 28077072), (894, 23397560), (930, 22491848), (1192, 17548170), (1240, 16868886), (1488, 14057405), (1490, 14038536), (1788, 11698780), (1860, 11245924), (2235, 9359024), (2384, 8774085), (2480, 8434443), (2980, 7019268), (3576, 5849390), (3720, 5622962), (4470, 4679512), (4619, 4528560), (5960, 3509634), (7152, 2924695), (7440, 2811481), (8940, 2339756), (9238, 2264280), (11920, 1754817), (13857, 1509520), (17880, 1169878), (18476, 1132140), (18869, 1108560), (23095, 905712), (27714, 754760), (35760, 584939), (36952, 566070), (37738, 554280), (46190, 452856), (55428, 377380), (56607, 369520), (69285, 301904), (73904, 283035), (75476, 277140), (92380, 226428), (94345, 221712), (110856, 188690), (113214, 184760), (138570, 150952)]