780557680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{44963}}^1$

素因数の和:45014

約数の個数: 80

約数和(自身を含む): 2141005824

約数和(自身を除く): 1360448144

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 17360, 44963, 89926, 179852, 224815, 314741, 359704, 449630, 629482, 719408, 899260, 1258964, 1393853, 1573705, 1798520, 2517928, 2787706, 3147410, 3597040, 5035856, 5575412, 6294820, 6969265, 9756971, 11150824, 12589640, 13938530, 19513942, 22301648, 25179280, 27877060, 39027884, 48784855, 55754120, 78055768, 97569710, 111508240, 156111536, 195139420, 390278840, 780557680]

約数ペア:

[(1, 780557680), (2, 390278840), (4, 195139420), (5, 156111536), (7, 111508240), (8, 97569710), (10, 78055768), (14, 55754120), (16, 48784855), (20, 39027884), (28, 27877060), (31, 25179280), (35, 22301648), (40, 19513942), (56, 13938530), (62, 12589640), (70, 11150824), (80, 9756971), (112, 6969265), (124, 6294820), (140, 5575412), (155, 5035856), (217, 3597040), (248, 3147410), (280, 2787706), (310, 2517928), (434, 1798520), (496, 1573705), (560, 1393853), (620, 1258964), (868, 899260), (1085, 719408), (1240, 629482), (1736, 449630), (2170, 359704), (2480, 314741), (3472, 224815), (4340, 179852), (8680, 89926), (17360, 44963)]