91817680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{373}}^1$

素因数の和:584

約数の個数: 80

約数和(自身を含む): 227891664

約数和(自身を除く): 136073984

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 181, 272, 340, 362, 373, 680, 724, 746, 905, 1360, 1448, 1492, 1810, 1865, 2896, 2984, 3077, 3620, 3730, 5968, 6154, 6341, 7240, 7460, 12308, 12682, 14480, 14920, 15385, 24616, 25364, 29840, 30770, 31705, 49232, 50728, 61540, 63410, 67513, 101456, 123080, 126820, 135026, 246160, 253640, 270052, 337565, 507280, 540104, 675130, 1080208, 1147721, 1350260, 2295442, 2700520, 4590884, 5401040, 5738605, 9181768, 11477210, 18363536, 22954420, 45908840, 91817680]

約数ペア:

[(1, 91817680), (2, 45908840), (4, 22954420), (5, 18363536), (8, 11477210), (10, 9181768), (16, 5738605), (17, 5401040), (20, 4590884), (34, 2700520), (40, 2295442), (68, 1350260), (80, 1147721), (85, 1080208), (136, 675130), (170, 540104), (181, 507280), (272, 337565), (340, 270052), (362, 253640), (373, 246160), (680, 135026), (724, 126820), (746, 123080), (905, 101456), (1360, 67513), (1448, 63410), (1492, 61540), (1810, 50728), (1865, 49232), (2896, 31705), (2984, 30770), (3077, 29840), (3620, 25364), (3730, 24616), (5968, 15385), (6154, 14920), (6341, 14480), (7240, 12682), (7460, 12308)]