78655440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{367}}^1$

素因数の和:449

約数の個数: 160

約数和(自身を含む): 262840320

約数和(自身を除く): 184184880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 47, 48, 57, 60, 76, 80, 94, 95, 114, 120, 141, 152, 188, 190, 228, 235, 240, 282, 285, 304, 367, 376, 380, 456, 470, 564, 570, 705, 734, 752, 760, 893, 912, 940, 1101, 1128, 1140, 1410, 1468, 1520, 1786, 1835, 1880, 2202, 2256, 2280, 2679, 2820, 2936, 3572, 3670, 3760, 4404, 4465, 4560, 5358, 5505, 5640, 5872, 6973, 7144, 7340, 8808, 8930, 10716, 11010, 11280, 13395, 13946, 14288, 14680, 17249, 17616, 17860, 20919, 21432, 22020, 26790, 27892, 29360, 34498, 34865, 35720, 41838, 42864, 44040, 51747, 53580, 55784, 68996, 69730, 71440, 83676, 86245, 88080, 103494, 104595, 107160, 111568, 137992, 139460, 167352, 172490, 206988, 209190, 214320, 258735, 275984, 278920, 327731, 334704, 344980, 413976, 418380, 517470, 557840, 655462, 689960, 827952, 836760, 983193, 1034940, 1310924, 1379920, 1638655, 1673520, 1966386, 2069880, 2621848, 3277310, 3932772, 4139760, 4915965, 5243696, 6554620, 7865544, 9831930, 13109240, 15731088, 19663860, 26218480, 39327720, 78655440]

約数ペア:

[(1, 78655440), (2, 39327720), (3, 26218480), (4, 19663860), (5, 15731088), (6, 13109240), (8, 9831930), (10, 7865544), (12, 6554620), (15, 5243696), (16, 4915965), (19, 4139760), (20, 3932772), (24, 3277310), (30, 2621848), (38, 2069880), (40, 1966386), (47, 1673520), (48, 1638655), (57, 1379920), (60, 1310924), (76, 1034940), (80, 983193), (94, 836760), (95, 827952), (114, 689960), (120, 655462), (141, 557840), (152, 517470), (188, 418380), (190, 413976), (228, 344980), (235, 334704), (240, 327731), (282, 278920), (285, 275984), (304, 258735), (367, 214320), (376, 209190), (380, 206988), (456, 172490), (470, 167352), (564, 139460), (570, 137992), (705, 111568), (734, 107160), (752, 104595), (760, 103494), (893, 88080), (912, 86245), (940, 83676), (1101, 71440), (1128, 69730), (1140, 68996), (1410, 55784), (1468, 53580), (1520, 51747), (1786, 44040), (1835, 42864), (1880, 41838), (2202, 35720), (2256, 34865), (2280, 34498), (2679, 29360), (2820, 27892), (2936, 26790), (3572, 22020), (3670, 21432), (3760, 20919), (4404, 17860), (4465, 17616), (4560, 17249), (5358, 14680), (5505, 14288), (5640, 13946), (5872, 13395), (6973, 11280), (7144, 11010), (7340, 10716), (8808, 8930)]