131005140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{823}}^1$

素因数の和:1221

約数の個数: 96

約数和(自身を含む): 420833280

約数和(自身を除く): 289828140

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 379, 420, 758, 823, 1137, 1516, 1646, 1895, 2274, 2469, 2653, 3292, 3790, 4115, 4548, 4938, 5306, 5685, 5761, 7580, 7959, 8230, 9876, 10612, 11370, 11522, 12345, 13265, 15918, 16460, 17283, 22740, 23044, 24690, 26530, 28805, 31836, 34566, 39795, 49380, 53060, 57610, 69132, 79590, 86415, 115220, 159180, 172830, 311917, 345660, 623834, 935751, 1247668, 1559585, 1871502, 2183419, 3119170, 3743004, 4366838, 4678755, 6238340, 6550257, 8733676, 9357510, 10917095, 13100514, 18715020, 21834190, 26201028, 32751285, 43668380, 65502570, 131005140]

約数ペア:

[(1, 131005140), (2, 65502570), (3, 43668380), (4, 32751285), (5, 26201028), (6, 21834190), (7, 18715020), (10, 13100514), (12, 10917095), (14, 9357510), (15, 8733676), (20, 6550257), (21, 6238340), (28, 4678755), (30, 4366838), (35, 3743004), (42, 3119170), (60, 2183419), (70, 1871502), (84, 1559585), (105, 1247668), (140, 935751), (210, 623834), (379, 345660), (420, 311917), (758, 172830), (823, 159180), (1137, 115220), (1516, 86415), (1646, 79590), (1895, 69132), (2274, 57610), (2469, 53060), (2653, 49380), (3292, 39795), (3790, 34566), (4115, 31836), (4548, 28805), (4938, 26530), (5306, 24690), (5685, 23044), (5761, 22740), (7580, 17283), (7959, 16460), (8230, 15918), (9876, 13265), (10612, 12345), (11370, 11522)]