2219880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1423}}^1$

素因数の和:1450

約数の個数: 64

約数和(自身を含む): 7176960

約数和(自身を除く): 4957080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1423, 1560, 2846, 4269, 5692, 7115, 8538, 11384, 14230, 17076, 18499, 21345, 28460, 34152, 36998, 42690, 55497, 56920, 73996, 85380, 92495, 110994, 147992, 170760, 184990, 221988, 277485, 369980, 443976, 554970, 739960, 1109940, 2219880]

約数ペア:

[(1, 2219880), (2, 1109940), (3, 739960), (4, 554970), (5, 443976), (6, 369980), (8, 277485), (10, 221988), (12, 184990), (13, 170760), (15, 147992), (20, 110994), (24, 92495), (26, 85380), (30, 73996), (39, 56920), (40, 55497), (52, 42690), (60, 36998), (65, 34152), (78, 28460), (104, 21345), (120, 18499), (130, 17076), (156, 14230), (195, 11384), (260, 8538), (312, 7115), (390, 5692), (520, 4269), (780, 2846), (1423, 1560)]