253664820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4363}}^1$

素因数の和:4414

約数の個数: 144

約数和(自身を含む): 857787840

約数和(自身を除く): 604123020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 30, 34, 36, 38, 45, 51, 57, 60, 68, 76, 85, 90, 95, 102, 114, 153, 170, 171, 180, 190, 204, 228, 255, 285, 306, 323, 340, 342, 380, 510, 570, 612, 646, 684, 765, 855, 969, 1020, 1140, 1292, 1530, 1615, 1710, 1938, 2907, 3060, 3230, 3420, 3876, 4363, 4845, 5814, 6460, 8726, 9690, 11628, 13089, 14535, 17452, 19380, 21815, 26178, 29070, 39267, 43630, 52356, 58140, 65445, 74171, 78534, 82897, 87260, 130890, 148342, 157068, 165794, 196335, 222513, 248691, 261780, 296684, 331588, 370855, 392670, 414485, 445026, 497382, 667539, 741710, 746073, 785340, 828970, 890052, 994764, 1112565, 1243455, 1335078, 1409249, 1483420, 1492146, 1657940, 2225130, 2486910, 2670156, 2818498, 2984292, 3337695, 3730365, 4227747, 4450260, 4973820, 5636996, 6675390, 7046245, 7460730, 8455494, 12683241, 13350780, 14092490, 14921460, 16910988, 21138735, 25366482, 28184980, 42277470, 50732964, 63416205, 84554940, 126832410, 253664820]

約数ペア:

[(1, 253664820), (2, 126832410), (3, 84554940), (4, 63416205), (5, 50732964), (6, 42277470), (9, 28184980), (10, 25366482), (12, 21138735), (15, 16910988), (17, 14921460), (18, 14092490), (19, 13350780), (20, 12683241), (30, 8455494), (34, 7460730), (36, 7046245), (38, 6675390), (45, 5636996), (51, 4973820), (57, 4450260), (60, 4227747), (68, 3730365), (76, 3337695), (85, 2984292), (90, 2818498), (95, 2670156), (102, 2486910), (114, 2225130), (153, 1657940), (170, 1492146), (171, 1483420), (180, 1409249), (190, 1335078), (204, 1243455), (228, 1112565), (255, 994764), (285, 890052), (306, 828970), (323, 785340), (340, 746073), (342, 741710), (380, 667539), (510, 497382), (570, 445026), (612, 414485), (646, 392670), (684, 370855), (765, 331588), (855, 296684), (969, 261780), (1020, 248691), (1140, 222513), (1292, 196335), (1530, 165794), (1615, 157068), (1710, 148342), (1938, 130890), (2907, 87260), (3060, 82897), (3230, 78534), (3420, 74171), (3876, 65445), (4363, 58140), (4845, 52356), (5814, 43630), (6460, 39267), (8726, 29070), (9690, 26178), (11628, 21815), (13089, 19380), (14535, 17452)]