205519080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131743}}^1$

素因数の和:131770

約数の個数: 64

約数和(自身を含む): 663989760

約数和(自身を除く): 458470680

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, 131743, 263486, 395229, 526972, 658715, 790458, 1053944, 1317430, 1580916, 1712659, 1976145, 2634860, 3161832, 3425318, 3952290, 5137977, 5269720, 6850636, 7904580, 8563295, 10275954, 13701272, 15809160, 17126590, 20551908, 25689885, 34253180, 41103816, 51379770, 68506360, 102759540, 205519080]

約数ペア:

[(1, 205519080), (2, 102759540), (3, 68506360), (4, 51379770), (5, 41103816), (6, 34253180), (8, 25689885), (10, 20551908), (12, 17126590), (13, 15809160), (15, 13701272), (20, 10275954), (24, 8563295), (26, 7904580), (30, 6850636), (39, 5269720), (40, 5137977), (52, 3952290), (60, 3425318), (65, 3161832), (78, 2634860), (104, 1976145), (120, 1712659), (130, 1580916), (156, 1317430), (195, 1053944), (260, 790458), (312, 658715), (390, 526972), (520, 395229), (780, 263486), (1560, 131743)]