85471960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:321

約数の個数: 128

約数和(自身を含む): 233164800

約数和(自身を除く): 147692840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 43, 56, 62, 70, 86, 124, 140, 155, 172, 215, 217, 229, 248, 280, 301, 310, 344, 430, 434, 458, 602, 620, 860, 868, 916, 1085, 1145, 1204, 1240, 1333, 1505, 1603, 1720, 1736, 1832, 2170, 2290, 2408, 2666, 3010, 3206, 4340, 4580, 5332, 6020, 6412, 6665, 7099, 8015, 8680, 9160, 9331, 9847, 10664, 12040, 12824, 13330, 14198, 16030, 18662, 19694, 26660, 28396, 32060, 35495, 37324, 39388, 46655, 49235, 49693, 53320, 56792, 64120, 68929, 70990, 74648, 78776, 93310, 98470, 99386, 137858, 141980, 186620, 196940, 198772, 248465, 275716, 283960, 305257, 344645, 373240, 393880, 397544, 496930, 551432, 610514, 689290, 993860, 1221028, 1378580, 1526285, 1987720, 2136799, 2442056, 2757160, 3052570, 4273598, 6105140, 8547196, 10683995, 12210280, 17094392, 21367990, 42735980, 85471960]

約数ペア:

[(1, 85471960), (2, 42735980), (4, 21367990), (5, 17094392), (7, 12210280), (8, 10683995), (10, 8547196), (14, 6105140), (20, 4273598), (28, 3052570), (31, 2757160), (35, 2442056), (40, 2136799), (43, 1987720), (56, 1526285), (62, 1378580), (70, 1221028), (86, 993860), (124, 689290), (140, 610514), (155, 551432), (172, 496930), (215, 397544), (217, 393880), (229, 373240), (248, 344645), (280, 305257), (301, 283960), (310, 275716), (344, 248465), (430, 198772), (434, 196940), (458, 186620), (602, 141980), (620, 137858), (860, 99386), (868, 98470), (916, 93310), (1085, 78776), (1145, 74648), (1204, 70990), (1240, 68929), (1333, 64120), (1505, 56792), (1603, 53320), (1720, 49693), (1736, 49235), (1832, 46655), (2170, 39388), (2290, 37324), (2408, 35495), (2666, 32060), (3010, 28396), (3206, 26660), (4340, 19694), (4580, 18662), (5332, 16030), (6020, 14198), (6412, 13330), (6665, 12824), (7099, 12040), (8015, 10664), (8680, 9847), (9160, 9331)]