1888754940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{503}}^1\times {\mathrm{907}}^1$

素因数の和:1448

約数の個数: 144

約数和(自身を含む): 5996809728

約数和(自身を除く): 4108054788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 503, 690, 828, 907, 1006, 1035, 1380, 1509, 1814, 2012, 2070, 2515, 2721, 3018, 3628, 4140, 4527, 4535, 5030, 5442, 6036, 7545, 8163, 9054, 9070, 10060, 10884, 11569, 13605, 15090, 16326, 18108, 18140, 20861, 22635, 23138, 27210, 30180, 32652, 34707, 40815, 41722, 45270, 46276, 54420, 57845, 62583, 69414, 81630, 83444, 90540, 104121, 104305, 115690, 125166, 138828, 163260, 173535, 187749, 208242, 208610, 231380, 250332, 312915, 347070, 375498, 416484, 417220, 456221, 520605, 625830, 694140, 750996, 912442, 938745, 1041210, 1251660, 1368663, 1824884, 1877490, 2082420, 2281105, 2737326, 3754980, 4105989, 4562210, 5474652, 6843315, 8211978, 9124420, 10493083, 13686630, 16423956, 20529945, 20986166, 27373260, 31479249, 41059890, 41972332, 52465415, 62958498, 82119780, 94437747, 104930830, 125916996, 157396245, 188875494, 209861660, 314792490, 377750988, 472188735, 629584980, 944377470, 1888754940]

約数ペア:

[(1, 1888754940), (2, 944377470), (3, 629584980), (4, 472188735), (5, 377750988), (6, 314792490), (9, 209861660), (10, 188875494), (12, 157396245), (15, 125916996), (18, 104930830), (20, 94437747), (23, 82119780), (30, 62958498), (36, 52465415), (45, 41972332), (46, 41059890), (60, 31479249), (69, 27373260), (90, 20986166), (92, 20529945), (115, 16423956), (138, 13686630), (180, 10493083), (207, 9124420), (230, 8211978), (276, 6843315), (345, 5474652), (414, 4562210), (460, 4105989), (503, 3754980), (690, 2737326), (828, 2281105), (907, 2082420), (1006, 1877490), (1035, 1824884), (1380, 1368663), (1509, 1251660), (1814, 1041210), (2012, 938745), (2070, 912442), (2515, 750996), (2721, 694140), (3018, 625830), (3628, 520605), (4140, 456221), (4527, 417220), (4535, 416484), (5030, 375498), (5442, 347070), (6036, 312915), (7545, 250332), (8163, 231380), (9054, 208610), (9070, 208242), (10060, 187749), (10884, 173535), (11569, 163260), (13605, 138828), (15090, 125166), (16326, 115690), (18108, 104305), (18140, 104121), (20861, 90540), (22635, 83444), (23138, 81630), (27210, 69414), (30180, 62583), (32652, 57845), (34707, 54420), (40815, 46276), (41722, 45270)]