290532420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9439}}^1$

素因数の和:9479

約数の個数: 120

約数和(自身を含む): 959481600

約数和(自身を除く): 668949180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 270, 285, 324, 342, 380, 405, 513, 540, 570, 684, 810, 855, 1026, 1140, 1539, 1620, 1710, 2052, 2565, 3078, 3420, 5130, 6156, 7695, 9439, 10260, 15390, 18878, 28317, 30780, 37756, 47195, 56634, 84951, 94390, 113268, 141585, 169902, 179341, 188780, 254853, 283170, 339804, 358682, 424755, 509706, 538023, 566340, 717364, 764559, 849510, 896705, 1019412, 1076046, 1274265, 1529118, 1614069, 1699020, 1793410, 2152092, 2548530, 2690115, 3058236, 3228138, 3586820, 3822795, 4842207, 5097060, 5380230, 6456276, 7645590, 8070345, 9684414, 10760460, 14526621, 15291180, 16140690, 19368828, 24211035, 29053242, 32281380, 48422070, 58106484, 72633105, 96844140, 145266210, 290532420]

約数ペア:

[(1, 290532420), (2, 145266210), (3, 96844140), (4, 72633105), (5, 58106484), (6, 48422070), (9, 32281380), (10, 29053242), (12, 24211035), (15, 19368828), (18, 16140690), (19, 15291180), (20, 14526621), (27, 10760460), (30, 9684414), (36, 8070345), (38, 7645590), (45, 6456276), (54, 5380230), (57, 5097060), (60, 4842207), (76, 3822795), (81, 3586820), (90, 3228138), (95, 3058236), (108, 2690115), (114, 2548530), (135, 2152092), (162, 1793410), (171, 1699020), (180, 1614069), (190, 1529118), (228, 1274265), (270, 1076046), (285, 1019412), (324, 896705), (342, 849510), (380, 764559), (405, 717364), (513, 566340), (540, 538023), (570, 509706), (684, 424755), (810, 358682), (855, 339804), (1026, 283170), (1140, 254853), (1539, 188780), (1620, 179341), (1710, 169902), (2052, 141585), (2565, 113268), (3078, 94390), (3420, 84951), (5130, 56634), (6156, 47195), (7695, 37756), (9439, 30780), (10260, 28317), (15390, 18878)]