720321630

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{24677}}^1$

素因数の和:24833

約数の個数: 64

約数和(自身を含む): 1990033920

約数和(自身を除く): 1269712290

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 139, 210, 278, 417, 695, 834, 973, 1390, 1946, 2085, 2919, 4170, 4865, 5838, 9730, 14595, 24677, 29190, 49354, 74031, 123385, 148062, 172739, 246770, 345478, 370155, 518217, 740310, 863695, 1036434, 1727390, 2591085, 3430103, 5182170, 6860206, 10290309, 17150515, 20580618, 24010721, 34301030, 48021442, 51451545, 72032163, 102903090, 120053605, 144064326, 240107210, 360160815, 720321630]

約数ペア:

[(1, 720321630), (2, 360160815), (3, 240107210), (5, 144064326), (6, 120053605), (7, 102903090), (10, 72032163), (14, 51451545), (15, 48021442), (21, 34301030), (30, 24010721), (35, 20580618), (42, 17150515), (70, 10290309), (105, 6860206), (139, 5182170), (210, 3430103), (278, 2591085), (417, 1727390), (695, 1036434), (834, 863695), (973, 740310), (1390, 518217), (1946, 370155), (2085, 345478), (2919, 246770), (4170, 172739), (4865, 148062), (5838, 123385), (9730, 74031), (14595, 49354), (24677, 29190)]