171786780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1637}}^1$

素因数の和:1716

約数の個数: 144

約数和(自身を含む): 579537504

約数和(自身を除く): 407750724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 53, 55, 60, 66, 90, 99, 106, 110, 132, 159, 165, 180, 198, 212, 220, 265, 318, 330, 396, 477, 495, 530, 583, 636, 660, 795, 954, 990, 1060, 1166, 1590, 1637, 1749, 1908, 1980, 2332, 2385, 2915, 3180, 3274, 3498, 4770, 4911, 5247, 5830, 6548, 6996, 8185, 8745, 9540, 9822, 10494, 11660, 14733, 16370, 17490, 18007, 19644, 20988, 24555, 26235, 29466, 32740, 34980, 36014, 49110, 52470, 54021, 58932, 72028, 73665, 86761, 90035, 98220, 104940, 108042, 147330, 162063, 173522, 180070, 216084, 260283, 270105, 294660, 324126, 347044, 360140, 433805, 520566, 540210, 648252, 780849, 810315, 867610, 954371, 1041132, 1080420, 1301415, 1561698, 1620630, 1735220, 1908742, 2602830, 2863113, 3123396, 3241260, 3817484, 3904245, 4771855, 5205660, 5726226, 7808490, 8589339, 9543710, 11452452, 14315565, 15616980, 17178678, 19087420, 28631130, 34357356, 42946695, 57262260, 85893390, 171786780]

約数ペア:

[(1, 171786780), (2, 85893390), (3, 57262260), (4, 42946695), (5, 34357356), (6, 28631130), (9, 19087420), (10, 17178678), (11, 15616980), (12, 14315565), (15, 11452452), (18, 9543710), (20, 8589339), (22, 7808490), (30, 5726226), (33, 5205660), (36, 4771855), (44, 3904245), (45, 3817484), (53, 3241260), (55, 3123396), (60, 2863113), (66, 2602830), (90, 1908742), (99, 1735220), (106, 1620630), (110, 1561698), (132, 1301415), (159, 1080420), (165, 1041132), (180, 954371), (198, 867610), (212, 810315), (220, 780849), (265, 648252), (318, 540210), (330, 520566), (396, 433805), (477, 360140), (495, 347044), (530, 324126), (583, 294660), (636, 270105), (660, 260283), (795, 216084), (954, 180070), (990, 173522), (1060, 162063), (1166, 147330), (1590, 108042), (1637, 104940), (1749, 98220), (1908, 90035), (1980, 86761), (2332, 73665), (2385, 72028), (2915, 58932), (3180, 54021), (3274, 52470), (3498, 49110), (4770, 36014), (4911, 34980), (5247, 32740), (5830, 29466), (6548, 26235), (6996, 24555), (8185, 20988), (8745, 19644), (9540, 18007), (9822, 17490), (10494, 16370), (11660, 14733)]