147455840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{137}}^1$

素因数の和:221

約数の個数: 144

約数和(自身を含む): 414390816

約数和(自身を除く): 266934976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 80, 112, 124, 137, 140, 155, 160, 217, 224, 248, 274, 280, 310, 434, 496, 548, 560, 620, 685, 868, 959, 961, 992, 1085, 1096, 1120, 1240, 1370, 1736, 1918, 1922, 2170, 2192, 2480, 2740, 3472, 3836, 3844, 4247, 4340, 4384, 4795, 4805, 4960, 5480, 6727, 6944, 7672, 7688, 8494, 8680, 9590, 9610, 10960, 13454, 15344, 15376, 16988, 17360, 19180, 19220, 21235, 21920, 26908, 29729, 30688, 30752, 33635, 33976, 34720, 38360, 38440, 42470, 53816, 59458, 67270, 67952, 76720, 76880, 84940, 107632, 118916, 131657, 134540, 135904, 148645, 153440, 153760, 169880, 215264, 237832, 263314, 269080, 297290, 339760, 475664, 526628, 538160, 594580, 658285, 679520, 921599, 951328, 1053256, 1076320, 1189160, 1316570, 1843198, 2106512, 2378320, 2633140, 3686396, 4213024, 4607995, 4756640, 5266280, 7372792, 9215990, 10532560, 14745584, 18431980, 21065120, 29491168, 36863960, 73727920, 147455840]

約数ペア:

[(1, 147455840), (2, 73727920), (4, 36863960), (5, 29491168), (7, 21065120), (8, 18431980), (10, 14745584), (14, 10532560), (16, 9215990), (20, 7372792), (28, 5266280), (31, 4756640), (32, 4607995), (35, 4213024), (40, 3686396), (56, 2633140), (62, 2378320), (70, 2106512), (80, 1843198), (112, 1316570), (124, 1189160), (137, 1076320), (140, 1053256), (155, 951328), (160, 921599), (217, 679520), (224, 658285), (248, 594580), (274, 538160), (280, 526628), (310, 475664), (434, 339760), (496, 297290), (548, 269080), (560, 263314), (620, 237832), (685, 215264), (868, 169880), (959, 153760), (961, 153440), (992, 148645), (1085, 135904), (1096, 134540), (1120, 131657), (1240, 118916), (1370, 107632), (1736, 84940), (1918, 76880), (1922, 76720), (2170, 67952), (2192, 67270), (2480, 59458), (2740, 53816), (3472, 42470), (3836, 38440), (3844, 38360), (4247, 34720), (4340, 33976), (4384, 33635), (4795, 30752), (4805, 30688), (4960, 29729), (5480, 26908), (6727, 21920), (6944, 21235), (7672, 19220), (7688, 19180), (8494, 17360), (8680, 16988), (9590, 15376), (9610, 15344), (10960, 13454)]