20843127840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{312397}}^1$

素因数の和:312554

約数の個数: 96

約数和(自身を含む): 66128408640

約数和(自身を除く): 45285280800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 139, 160, 240, 278, 417, 480, 556, 695, 834, 1112, 1390, 1668, 2085, 2224, 2780, 3336, 4170, 4448, 5560, 6672, 8340, 11120, 13344, 16680, 22240, 33360, 66720, 312397, 624794, 937191, 1249588, 1561985, 1874382, 2499176, 3123970, 3748764, 4685955, 4998352, 6247940, 7497528, 9371910, 9996704, 12495880, 14995056, 18743820, 24991760, 29990112, 37487640, 43423183, 49983520, 74975280, 86846366, 130269549, 149950560, 173692732, 217115915, 260539098, 347385464, 434231830, 521078196, 651347745, 694770928, 868463660, 1042156392, 1302695490, 1389541856, 1736927320, 2084312784, 2605390980, 3473854640, 4168625568, 5210781960, 6947709280, 10421563920, 20843127840]

約数ペア:

[(1, 20843127840), (2, 10421563920), (3, 6947709280), (4, 5210781960), (5, 4168625568), (6, 3473854640), (8, 2605390980), (10, 2084312784), (12, 1736927320), (15, 1389541856), (16, 1302695490), (20, 1042156392), (24, 868463660), (30, 694770928), (32, 651347745), (40, 521078196), (48, 434231830), (60, 347385464), (80, 260539098), (96, 217115915), (120, 173692732), (139, 149950560), (160, 130269549), (240, 86846366), (278, 74975280), (417, 49983520), (480, 43423183), (556, 37487640), (695, 29990112), (834, 24991760), (1112, 18743820), (1390, 14995056), (1668, 12495880), (2085, 9996704), (2224, 9371910), (2780, 7497528), (3336, 6247940), (4170, 4998352), (4448, 4685955), (5560, 3748764), (6672, 3123970), (8340, 2499176), (11120, 1874382), (13344, 1561985), (16680, 1249588), (22240, 937191), (33360, 624794), (66720, 312397)]