1557173880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{907}}^1$

素因数の和:1194

約数の個数: 192

約数和(自身を含む): 5354294400

約数和(自身を除く): 3797120520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 251, 285, 342, 360, 380, 456, 502, 570, 684, 753, 760, 855, 907, 1004, 1140, 1255, 1368, 1506, 1710, 1814, 2008, 2259, 2280, 2510, 2721, 3012, 3420, 3628, 3765, 4518, 4535, 4769, 5020, 5442, 6024, 6840, 7256, 7530, 8163, 9036, 9070, 9538, 10040, 10884, 11295, 13605, 14307, 15060, 16326, 17233, 18072, 18140, 19076, 21768, 22590, 23845, 27210, 28614, 30120, 32652, 34466, 36280, 38152, 40815, 42921, 45180, 47690, 51699, 54420, 57228, 65304, 68932, 71535, 81630, 85842, 86165, 90360, 95380, 103398, 108840, 114456, 137864, 143070, 155097, 163260, 171684, 172330, 190760, 206796, 214605, 227657, 258495, 286140, 310194, 326520, 343368, 344660, 413592, 429210, 455314, 516990, 572280, 620388, 682971, 689320, 775485, 858420, 910628, 1033980, 1138285, 1240776, 1365942, 1550970, 1716840, 1821256, 2048913, 2067960, 2276570, 2731884, 3101940, 3414855, 4097826, 4325483, 4553140, 5463768, 6203880, 6829710, 8195652, 8650966, 9106280, 10244565, 12976449, 13659420, 16391304, 17301932, 20489130, 21627415, 25952898, 27318840, 34603864, 38929347, 40978260, 43254830, 51905796, 64882245, 77858694, 81956520, 86509660, 103811592, 129764490, 155717388, 173019320, 194646735, 259528980, 311434776, 389293470, 519057960, 778586940, 1557173880]

約数ペア:

[(1, 1557173880), (2, 778586940), (3, 519057960), (4, 389293470), (5, 311434776), (6, 259528980), (8, 194646735), (9, 173019320), (10, 155717388), (12, 129764490), (15, 103811592), (18, 86509660), (19, 81956520), (20, 77858694), (24, 64882245), (30, 51905796), (36, 43254830), (38, 40978260), (40, 38929347), (45, 34603864), (57, 27318840), (60, 25952898), (72, 21627415), (76, 20489130), (90, 17301932), (95, 16391304), (114, 13659420), (120, 12976449), (152, 10244565), (171, 9106280), (180, 8650966), (190, 8195652), (228, 6829710), (251, 6203880), (285, 5463768), (342, 4553140), (360, 4325483), (380, 4097826), (456, 3414855), (502, 3101940), (570, 2731884), (684, 2276570), (753, 2067960), (760, 2048913), (855, 1821256), (907, 1716840), (1004, 1550970), (1140, 1365942), (1255, 1240776), (1368, 1138285), (1506, 1033980), (1710, 910628), (1814, 858420), (2008, 775485), (2259, 689320), (2280, 682971), (2510, 620388), (2721, 572280), (3012, 516990), (3420, 455314), (3628, 429210), (3765, 413592), (4518, 344660), (4535, 343368), (4769, 326520), (5020, 310194), (5442, 286140), (6024, 258495), (6840, 227657), (7256, 214605), (7530, 206796), (8163, 190760), (9036, 172330), (9070, 171684), (9538, 163260), (10040, 155097), (10884, 143070), (11295, 137864), (13605, 114456), (14307, 108840), (15060, 103398), (16326, 95380), (17233, 90360), (18072, 86165), (18140, 85842), (19076, 81630), (21768, 71535), (22590, 68932), (23845, 65304), (27210, 57228), (28614, 54420), (30120, 51699), (32652, 47690), (34466, 45180), (36280, 42921), (38152, 40815)]