7267880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:234

約数の個数: 64

約数和(自身を含む): 17582400

約数和(自身を除く): 10314520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 73, 76, 95, 131, 146, 152, 190, 262, 292, 365, 380, 524, 584, 655, 730, 760, 1048, 1310, 1387, 1460, 2489, 2620, 2774, 2920, 4978, 5240, 5548, 6935, 9563, 9956, 11096, 12445, 13870, 19126, 19912, 24890, 27740, 38252, 47815, 49780, 55480, 76504, 95630, 99560, 181697, 191260, 363394, 382520, 726788, 908485, 1453576, 1816970, 3633940, 7267880]

約数ペア:

[(1, 7267880), (2, 3633940), (4, 1816970), (5, 1453576), (8, 908485), (10, 726788), (19, 382520), (20, 363394), (38, 191260), (40, 181697), (73, 99560), (76, 95630), (95, 76504), (131, 55480), (146, 49780), (152, 47815), (190, 38252), (262, 27740), (292, 24890), (365, 19912), (380, 19126), (524, 13870), (584, 12445), (655, 11096), (730, 9956), (760, 9563), (1048, 6935), (1310, 5548), (1387, 5240), (1460, 4978), (2489, 2920), (2620, 2774)]