289181640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:284

約数の個数: 256

約数和(自身を含む): 1008599040

約数和(自身を除く): 719417400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 31, 33, 37, 40, 44, 55, 60, 62, 66, 74, 88, 93, 110, 111, 120, 124, 132, 148, 155, 165, 185, 186, 191, 220, 222, 248, 264, 296, 310, 330, 341, 370, 372, 382, 407, 440, 444, 465, 555, 573, 620, 660, 682, 740, 744, 764, 814, 888, 930, 955, 1023, 1110, 1146, 1147, 1221, 1240, 1320, 1364, 1480, 1528, 1628, 1705, 1860, 1910, 2035, 2046, 2101, 2220, 2292, 2294, 2442, 2728, 2865, 3256, 3410, 3441, 3720, 3820, 4070, 4092, 4202, 4440, 4584, 4588, 4884, 5115, 5730, 5735, 5921, 6105, 6303, 6820, 6882, 7067, 7640, 8140, 8184, 8404, 9176, 9768, 10230, 10505, 11460, 11470, 11842, 12210, 12606, 12617, 13640, 13764, 14134, 16280, 16808, 17205, 17763, 20460, 21010, 21201, 22920, 22940, 23684, 24420, 25212, 25234, 27528, 28268, 29605, 31515, 34410, 35335, 35526, 37851, 40920, 42020, 42402, 45880, 47368, 48840, 50424, 50468, 56536, 59210, 63030, 63085, 65131, 68820, 70670, 71052, 75702, 77737, 84040, 84804, 88815, 100936, 106005, 118420, 126060, 126170, 130262, 137640, 141340, 142104, 151404, 155474, 169608, 177630, 189255, 195393, 212010, 219077, 233211, 236840, 252120, 252340, 260524, 282680, 302808, 310948, 325655, 355260, 378510, 388685, 390786, 424020, 438154, 466422, 504680, 521048, 621896, 651310, 657231, 710520, 757020, 777370, 781572, 848040, 876308, 932844, 976965, 1095385, 1166055, 1302620, 1314462, 1514040, 1554740, 1563144, 1752616, 1865688, 1953930, 2190770, 2332110, 2409847, 2605240, 2628924, 3109480, 3286155, 3907860, 4381540, 4664220, 4819694, 5257848, 6572310, 7229541, 7815720, 8763080, 9328440, 9639388, 12049235, 13144620, 14459082, 19278776, 24098470, 26289240, 28918164, 36147705, 48196940, 57836328, 72295410, 96393880, 144590820, 289181640]

約数ペア:

[(1, 289181640), (2, 144590820), (3, 96393880), (4, 72295410), (5, 57836328), (6, 48196940), (8, 36147705), (10, 28918164), (11, 26289240), (12, 24098470), (15, 19278776), (20, 14459082), (22, 13144620), (24, 12049235), (30, 9639388), (31, 9328440), (33, 8763080), (37, 7815720), (40, 7229541), (44, 6572310), (55, 5257848), (60, 4819694), (62, 4664220), (66, 4381540), (74, 3907860), (88, 3286155), (93, 3109480), (110, 2628924), (111, 2605240), (120, 2409847), (124, 2332110), (132, 2190770), (148, 1953930), (155, 1865688), (165, 1752616), (185, 1563144), (186, 1554740), (191, 1514040), (220, 1314462), (222, 1302620), (248, 1166055), (264, 1095385), (296, 976965), (310, 932844), (330, 876308), (341, 848040), (370, 781572), (372, 777370), (382, 757020), (407, 710520), (440, 657231), (444, 651310), (465, 621896), (555, 521048), (573, 504680), (620, 466422), (660, 438154), (682, 424020), (740, 390786), (744, 388685), (764, 378510), (814, 355260), (888, 325655), (930, 310948), (955, 302808), (1023, 282680), (1110, 260524), (1146, 252340), (1147, 252120), (1221, 236840), (1240, 233211), (1320, 219077), (1364, 212010), (1480, 195393), (1528, 189255), (1628, 177630), (1705, 169608), (1860, 155474), (1910, 151404), (2035, 142104), (2046, 141340), (2101, 137640), (2220, 130262), (2292, 126170), (2294, 126060), (2442, 118420), (2728, 106005), (2865, 100936), (3256, 88815), (3410, 84804), (3441, 84040), (3720, 77737), (3820, 75702), (4070, 71052), (4092, 70670), (4202, 68820), (4440, 65131), (4584, 63085), (4588, 63030), (4884, 59210), (5115, 56536), (5730, 50468), (5735, 50424), (5921, 48840), (6105, 47368), (6303, 45880), (6820, 42402), (6882, 42020), (7067, 40920), (7640, 37851), (8140, 35526), (8184, 35335), (8404, 34410), (9176, 31515), (9768, 29605), (10230, 28268), (10505, 27528), (11460, 25234), (11470, 25212), (11842, 24420), (12210, 23684), (12606, 22940), (12617, 22920), (13640, 21201), (13764, 21010), (14134, 20460), (16280, 17763), (16808, 17205)]