145077520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:249

約数の個数: 160

約数和(自身を含む): 407402496

約数和(自身を除く): 262324976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 61, 62, 70, 80, 112, 122, 124, 137, 140, 155, 217, 244, 248, 274, 280, 305, 310, 427, 434, 488, 496, 548, 560, 610, 620, 685, 854, 868, 959, 976, 1085, 1096, 1220, 1240, 1370, 1708, 1736, 1891, 1918, 2135, 2170, 2192, 2440, 2480, 2740, 3416, 3472, 3782, 3836, 4247, 4270, 4340, 4795, 4880, 5480, 6832, 7564, 7672, 8357, 8494, 8540, 8680, 9455, 9590, 10960, 13237, 15128, 15344, 16714, 16988, 17080, 17360, 18910, 19180, 21235, 26474, 29729, 30256, 33428, 33976, 34160, 37820, 38360, 41785, 42470, 52948, 58499, 59458, 66185, 66856, 67952, 75640, 76720, 83570, 84940, 105896, 116998, 118916, 132370, 133712, 148645, 151280, 167140, 169880, 211792, 233996, 237832, 259067, 264740, 292495, 297290, 334280, 339760, 467992, 475664, 518134, 529480, 584990, 594580, 668560, 935984, 1036268, 1058960, 1169980, 1189160, 1295335, 1813469, 2072536, 2339960, 2378320, 2590670, 3626938, 4145072, 4679920, 5181340, 7253876, 9067345, 10362680, 14507752, 18134690, 20725360, 29015504, 36269380, 72538760, 145077520]

約数ペア:

[(1, 145077520), (2, 72538760), (4, 36269380), (5, 29015504), (7, 20725360), (8, 18134690), (10, 14507752), (14, 10362680), (16, 9067345), (20, 7253876), (28, 5181340), (31, 4679920), (35, 4145072), (40, 3626938), (56, 2590670), (61, 2378320), (62, 2339960), (70, 2072536), (80, 1813469), (112, 1295335), (122, 1189160), (124, 1169980), (137, 1058960), (140, 1036268), (155, 935984), (217, 668560), (244, 594580), (248, 584990), (274, 529480), (280, 518134), (305, 475664), (310, 467992), (427, 339760), (434, 334280), (488, 297290), (496, 292495), (548, 264740), (560, 259067), (610, 237832), (620, 233996), (685, 211792), (854, 169880), (868, 167140), (959, 151280), (976, 148645), (1085, 133712), (1096, 132370), (1220, 118916), (1240, 116998), (1370, 105896), (1708, 84940), (1736, 83570), (1891, 76720), (1918, 75640), (2135, 67952), (2170, 66856), (2192, 66185), (2440, 59458), (2480, 58499), (2740, 52948), (3416, 42470), (3472, 41785), (3782, 38360), (3836, 37820), (4247, 34160), (4270, 33976), (4340, 33428), (4795, 30256), (4880, 29729), (5480, 26474), (6832, 21235), (7564, 19180), (7672, 18910), (8357, 17360), (8494, 17080), (8540, 16988), (8680, 16714), (9455, 15344), (9590, 15128), (10960, 13237)]