1995120

素因数分解:

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

素因数の和:199

約数の個数: 120

約数和(自身を含む): 7137936

約数和(自身を除く): 5142816

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 102, 120, 136, 144, 153, 163, 170, 180, 204, 240, 255, 272, 306, 326, 340, 360, 408, 489, 510, 612, 652, 680, 720, 765, 815, 816, 978, 1020, 1224, 1304, 1360, 1467, 1530, 1630, 1956, 2040, 2445, 2448, 2608, 2771, 2934, 3060, 3260, 3912, 4080, 4890, 5542, 5868, 6120, 6520, 7335, 7824, 8313, 9780, 11084, 11736, 12240, 13040, 13855, 14670, 16626, 19560, 22168, 23472, 24939, 27710, 29340, 33252, 39120, 41565, 44336, 49878, 55420, 58680, 66504, 83130, 99756, 110840, 117360, 124695, 133008, 166260, 199512, 221680, 249390, 332520, 399024, 498780, 665040, 997560, 1995120]

約数ペア:

[(1, 1995120), (2, 997560), (3, 665040), (4, 498780), (5, 399024), (6, 332520), (8, 249390), (9, 221680), (10, 199512), (12, 166260), (15, 133008), (16, 124695), (17, 117360), (18, 110840), (20, 99756), (24, 83130), (30, 66504), (34, 58680), (36, 55420), (40, 49878), (45, 44336), (48, 41565), (51, 39120), (60, 33252), (68, 29340), (72, 27710), (80, 24939), (85, 23472), (90, 22168), (102, 19560), (120, 16626), (136, 14670), (144, 13855), (153, 13040), (163, 12240), (170, 11736), (180, 11084), (204, 9780), (240, 8313), (255, 7824), (272, 7335), (306, 6520), (326, 6120), (340, 5868), (360, 5542), (408, 4890), (489, 4080), (510, 3912), (612, 3260), (652, 3060), (680, 2934), (720, 2771), (765, 2608), (815, 2448), (816, 2445), (978, 2040), (1020, 1956), (1224, 1630), (1304, 1530), (1360, 1467)]