7764920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{601}}^1$

素因数の和:648

約数の個数: 64

約数和(自身を含む): 19504800

約数和(自身を除く): 11739880

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 601, 646, 680, 760, 1202, 1292, 1615, 2404, 2584, 3005, 3230, 4808, 6010, 6460, 10217, 11419, 12020, 12920, 20434, 22838, 24040, 40868, 45676, 51085, 57095, 81736, 91352, 102170, 114190, 194123, 204340, 228380, 388246, 408680, 456760, 776492, 970615, 1552984, 1941230, 3882460, 7764920]

約数ペア:

[(1, 7764920), (2, 3882460), (4, 1941230), (5, 1552984), (8, 970615), (10, 776492), (17, 456760), (19, 408680), (20, 388246), (34, 228380), (38, 204340), (40, 194123), (68, 114190), (76, 102170), (85, 91352), (95, 81736), (136, 57095), (152, 51085), (170, 45676), (190, 40868), (323, 24040), (340, 22838), (380, 20434), (601, 12920), (646, 12020), (680, 11419), (760, 10217), (1202, 6460), (1292, 6010), (1615, 4808), (2404, 3230), (2584, 3005)]