221624820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{311}}^1$

素因数の和:470

約数の個数: 144

約数和(自身を含む): 699124608

約数和(自身を除く): 477499788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 107, 111, 148, 180, 185, 214, 222, 311, 321, 333, 370, 428, 444, 535, 555, 622, 642, 666, 740, 933, 963, 1070, 1110, 1244, 1284, 1332, 1555, 1605, 1665, 1866, 1926, 2140, 2220, 2799, 3110, 3210, 3330, 3732, 3852, 3959, 4665, 4815, 5598, 6220, 6420, 6660, 7918, 9330, 9630, 11196, 11507, 11877, 13995, 15836, 18660, 19260, 19795, 23014, 23754, 27990, 33277, 34521, 35631, 39590, 46028, 47508, 55980, 57535, 59385, 66554, 69042, 71262, 79180, 99831, 103563, 115070, 118770, 133108, 138084, 142524, 166385, 172605, 178155, 199662, 207126, 230140, 237540, 299493, 332770, 345210, 356310, 399324, 414252, 499155, 517815, 598986, 665540, 690420, 712620, 998310, 1035630, 1197972, 1231249, 1497465, 1996620, 2071260, 2462498, 2994930, 3693747, 4924996, 5989860, 6156245, 7387494, 11081241, 12312490, 14774988, 18468735, 22162482, 24624980, 36937470, 44324964, 55406205, 73874940, 110812410, 221624820]

約数ペア:

[(1, 221624820), (2, 110812410), (3, 73874940), (4, 55406205), (5, 44324964), (6, 36937470), (9, 24624980), (10, 22162482), (12, 18468735), (15, 14774988), (18, 12312490), (20, 11081241), (30, 7387494), (36, 6156245), (37, 5989860), (45, 4924996), (60, 3693747), (74, 2994930), (90, 2462498), (107, 2071260), (111, 1996620), (148, 1497465), (180, 1231249), (185, 1197972), (214, 1035630), (222, 998310), (311, 712620), (321, 690420), (333, 665540), (370, 598986), (428, 517815), (444, 499155), (535, 414252), (555, 399324), (622, 356310), (642, 345210), (666, 332770), (740, 299493), (933, 237540), (963, 230140), (1070, 207126), (1110, 199662), (1244, 178155), (1284, 172605), (1332, 166385), (1555, 142524), (1605, 138084), (1665, 133108), (1866, 118770), (1926, 115070), (2140, 103563), (2220, 99831), (2799, 79180), (3110, 71262), (3210, 69042), (3330, 66554), (3732, 59385), (3852, 57535), (3959, 55980), (4665, 47508), (4815, 46028), (5598, 39590), (6220, 35631), (6420, 34521), (6660, 33277), (7918, 27990), (9330, 23754), (9630, 23014), (11196, 19795), (11507, 19260), (11877, 18660), (13995, 15836)]