87420120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{42853}}^1$

素因数の和:42884

約数の個数: 64

約数和(自身を含む): 277693920

約数和(自身を除く): 190273800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 42853, 85706, 128559, 171412, 214265, 257118, 342824, 428530, 514236, 642795, 728501, 857060, 1028472, 1285590, 1457002, 1714120, 2185503, 2571180, 2914004, 3642505, 4371006, 5142360, 5828008, 7285010, 8742012, 10927515, 14570020, 17484024, 21855030, 29140040, 43710060, 87420120]

約数ペア:

[(1, 87420120), (2, 43710060), (3, 29140040), (4, 21855030), (5, 17484024), (6, 14570020), (8, 10927515), (10, 8742012), (12, 7285010), (15, 5828008), (17, 5142360), (20, 4371006), (24, 3642505), (30, 2914004), (34, 2571180), (40, 2185503), (51, 1714120), (60, 1457002), (68, 1285590), (85, 1028472), (102, 857060), (120, 728501), (136, 642795), (170, 514236), (204, 428530), (255, 342824), (340, 257118), (408, 214265), (510, 171412), (680, 128559), (1020, 85706), (2040, 42853)]