221675760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{617}}^1$

素因数の和:1135

約数の個数: 120

約数和(自身を含む): 747162000

約数和(自身を除く): 525486240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 499, 617, 720, 998, 1234, 1497, 1851, 1996, 2468, 2495, 2994, 3085, 3702, 3992, 4491, 4936, 4990, 5553, 5988, 6170, 7404, 7485, 7984, 8982, 9255, 9872, 9980, 11106, 11976, 12340, 14808, 14970, 17964, 18510, 19960, 22212, 22455, 23952, 24680, 27765, 29616, 29940, 35928, 37020, 39920, 44424, 44910, 49360, 55530, 59880, 71856, 74040, 88848, 89820, 111060, 119760, 148080, 179640, 222120, 307883, 359280, 444240, 615766, 923649, 1231532, 1539415, 1847298, 2463064, 2770947, 3078830, 3694596, 4618245, 4926128, 5541894, 6157660, 7389192, 9236490, 11083788, 12315320, 13854735, 14778384, 18472980, 22167576, 24630640, 27709470, 36945960, 44335152, 55418940, 73891920, 110837880, 221675760]

約数ペア:

[(1, 221675760), (2, 110837880), (3, 73891920), (4, 55418940), (5, 44335152), (6, 36945960), (8, 27709470), (9, 24630640), (10, 22167576), (12, 18472980), (15, 14778384), (16, 13854735), (18, 12315320), (20, 11083788), (24, 9236490), (30, 7389192), (36, 6157660), (40, 5541894), (45, 4926128), (48, 4618245), (60, 3694596), (72, 3078830), (80, 2770947), (90, 2463064), (120, 1847298), (144, 1539415), (180, 1231532), (240, 923649), (360, 615766), (499, 444240), (617, 359280), (720, 307883), (998, 222120), (1234, 179640), (1497, 148080), (1851, 119760), (1996, 111060), (2468, 89820), (2495, 88848), (2994, 74040), (3085, 71856), (3702, 59880), (3992, 55530), (4491, 49360), (4936, 44910), (4990, 44424), (5553, 39920), (5988, 37020), (6170, 35928), (7404, 29940), (7485, 29616), (7984, 27765), (8982, 24680), (9255, 23952), (9872, 22455), (9980, 22212), (11106, 19960), (11976, 18510), (12340, 17964), (14808, 14970)]