256903320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{125933}}^1$

素因数の和:125964

約数の個数: 64

約数和(自身を含む): 816052320

約数和(自身を除く): 559149000

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, 125933, 251866, 377799, 503732, 629665, 755598, 1007464, 1259330, 1511196, 1888995, 2140861, 2518660, 3022392, 3777990, 4281722, 5037320, 6422583, 7555980, 8563444, 10704305, 12845166, 15111960, 17126888, 21408610, 25690332, 32112915, 42817220, 51380664, 64225830, 85634440, 128451660, 256903320]

約数ペア:

[(1, 256903320), (2, 128451660), (3, 85634440), (4, 64225830), (5, 51380664), (6, 42817220), (8, 32112915), (10, 25690332), (12, 21408610), (15, 17126888), (17, 15111960), (20, 12845166), (24, 10704305), (30, 8563444), (34, 7555980), (40, 6422583), (51, 5037320), (60, 4281722), (68, 3777990), (85, 3022392), (102, 2518660), (120, 2140861), (136, 1888995), (170, 1511196), (204, 1259330), (255, 1007464), (340, 755598), (408, 629665), (510, 503732), (680, 377799), (1020, 251866), (2040, 125933)]