31186890

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{569}}^1$

素因数の和:621

約数の個数: 128

約数和(自身を含む): 98496000

約数和(自身を除く): 67309110

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 29, 30, 35, 42, 45, 54, 58, 63, 70, 87, 90, 105, 126, 135, 145, 174, 189, 203, 210, 261, 270, 290, 315, 378, 406, 435, 522, 569, 609, 630, 783, 870, 945, 1015, 1138, 1218, 1305, 1566, 1707, 1827, 1890, 2030, 2610, 2845, 3045, 3414, 3654, 3915, 3983, 5121, 5481, 5690, 6090, 7830, 7966, 8535, 9135, 10242, 10962, 11949, 15363, 16501, 17070, 18270, 19915, 23898, 25605, 27405, 30726, 33002, 35847, 39830, 49503, 51210, 54810, 59745, 71694, 76815, 82505, 99006, 107541, 115507, 119490, 148509, 153630, 165010, 179235, 215082, 231014, 247515, 297018, 346521, 358470, 445527, 495030, 537705, 577535, 693042, 742545, 891054, 1039563, 1075410, 1155070, 1485090, 1732605, 2079126, 2227635, 3118689, 3465210, 4455270, 5197815, 6237378, 10395630, 15593445, 31186890]

約数ペア:

[(1, 31186890), (2, 15593445), (3, 10395630), (5, 6237378), (6, 5197815), (7, 4455270), (9, 3465210), (10, 3118689), (14, 2227635), (15, 2079126), (18, 1732605), (21, 1485090), (27, 1155070), (29, 1075410), (30, 1039563), (35, 891054), (42, 742545), (45, 693042), (54, 577535), (58, 537705), (63, 495030), (70, 445527), (87, 358470), (90, 346521), (105, 297018), (126, 247515), (135, 231014), (145, 215082), (174, 179235), (189, 165010), (203, 153630), (210, 148509), (261, 119490), (270, 115507), (290, 107541), (315, 99006), (378, 82505), (406, 76815), (435, 71694), (522, 59745), (569, 54810), (609, 51210), (630, 49503), (783, 39830), (870, 35847), (945, 33002), (1015, 30726), (1138, 27405), (1218, 25605), (1305, 23898), (1566, 19915), (1707, 18270), (1827, 17070), (1890, 16501), (2030, 15363), (2610, 11949), (2845, 10962), (3045, 10242), (3414, 9135), (3654, 8535), (3915, 7966), (3983, 7830), (5121, 6090), (5481, 5690)]