665040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1$

素因数の和:196

約数の個数: 80

約数和(自身を含む): 2196288

約数和(自身を除く): 1531248

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 163, 170, 204, 240, 255, 272, 326, 340, 408, 489, 510, 652, 680, 815, 816, 978, 1020, 1304, 1360, 1630, 1956, 2040, 2445, 2608, 2771, 3260, 3912, 4080, 4890, 5542, 6520, 7824, 8313, 9780, 11084, 13040, 13855, 16626, 19560, 22168, 27710, 33252, 39120, 41565, 44336, 55420, 66504, 83130, 110840, 133008, 166260, 221680, 332520, 665040]

約数ペア:

[(1, 665040), (2, 332520), (3, 221680), (4, 166260), (5, 133008), (6, 110840), (8, 83130), (10, 66504), (12, 55420), (15, 44336), (16, 41565), (17, 39120), (20, 33252), (24, 27710), (30, 22168), (34, 19560), (40, 16626), (48, 13855), (51, 13040), (60, 11084), (68, 9780), (80, 8313), (85, 7824), (102, 6520), (120, 5542), (136, 4890), (163, 4080), (170, 3912), (204, 3260), (240, 2771), (255, 2608), (272, 2445), (326, 2040), (340, 1956), (408, 1630), (489, 1360), (510, 1304), (652, 1020), (680, 978), (815, 816)]