30421560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19501}}^1$

素因数の和:19528

約数の個数: 64

約数和(自身を含む): 98290080

約数和(自身を除く): 67868520

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, 1560, 19501, 39002, 58503, 78004, 97505, 117006, 156008, 195010, 234012, 253513, 292515, 390020, 468024, 507026, 585030, 760539, 780040, 1014052, 1170060, 1267565, 1521078, 2028104, 2340120, 2535130, 3042156, 3802695, 5070260, 6084312, 7605390, 10140520, 15210780, 30421560]

約数ペア:

[(1, 30421560), (2, 15210780), (3, 10140520), (4, 7605390), (5, 6084312), (6, 5070260), (8, 3802695), (10, 3042156), (12, 2535130), (13, 2340120), (15, 2028104), (20, 1521078), (24, 1267565), (26, 1170060), (30, 1014052), (39, 780040), (40, 760539), (52, 585030), (60, 507026), (65, 468024), (78, 390020), (104, 292515), (120, 253513), (130, 234012), (156, 195010), (195, 156008), (260, 117006), (312, 97505), (390, 78004), (520, 58503), (780, 39002), (1560, 19501)]