154678160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21247}}^1$

素因数の和:21280

約数の個数: 80

約数和(自身を含む): 442638336

約数和(自身を除く): 287960176

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 21247, 42494, 84988, 106235, 148729, 169976, 212470, 276211, 297458, 339952, 424940, 552422, 594916, 743645, 849880, 1104844, 1189832, 1381055, 1487290, 1699760, 1933477, 2209688, 2379664, 2762110, 2974580, 3866954, 4419376, 5524220, 5949160, 7733908, 9667385, 11048440, 11898320, 15467816, 19334770, 22096880, 30935632, 38669540, 77339080, 154678160]

約数ペア:

[(1, 154678160), (2, 77339080), (4, 38669540), (5, 30935632), (7, 22096880), (8, 19334770), (10, 15467816), (13, 11898320), (14, 11048440), (16, 9667385), (20, 7733908), (26, 5949160), (28, 5524220), (35, 4419376), (40, 3866954), (52, 2974580), (56, 2762110), (65, 2379664), (70, 2209688), (80, 1933477), (91, 1699760), (104, 1487290), (112, 1381055), (130, 1189832), (140, 1104844), (182, 849880), (208, 743645), (260, 594916), (280, 552422), (364, 424940), (455, 339952), (520, 297458), (560, 276211), (728, 212470), (910, 169976), (1040, 148729), (1456, 106235), (1820, 84988), (3640, 42494), (7280, 21247)]